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1.
As the improvement of international status and the implementation of China's neighboring diplomacy, the development of border regions and the security of border cities, as well as their spatial structure and regional differences are gaining more attention from academic circle. Based on the interdisciplinary perspectives of urban geography, regional economics and geopolitics, this paper explores the regional differences of border geo-cities in China and the surrounding countries with the help of remote sensing information acquisition and Arc GIS spatial analysis. Three primary results are found as follows:(1) The border geo-cities in China and surrounding countries are divided into five geographical regions: geo-cities in South China Sea, geo-cities in Southeast Asia, geo-cities in South Asia, geo-cities in Central Asia and geo-cities in Northeast Asia.(2) In the spatial structure system of China's border geo-cities, the importance of geo-cities in five major regions is fairly different. In terms of the security and economic development, the rank of priority is geo-cities in Northeast Asia, geo-cities in South China Sea, geo-cities in Central Asia, geo-cities in South Asia, geo-cities in Southeast Asia.(3) Considering China's geo-setting for the development of border geo-cities, the east region is significantly better than the west, and the north region is slightly better than the south. 相似文献
2.
基于2010―2013年中国31个省、自治区和直辖市对东南亚10个国家网络关注度的百度指数,采用弹性系数、泰尔指数和相对网络关注度测度方法,从“信源”“信宿”和“信道”3个角度对网络关注度区域差异特征进行了分析,发现：1）中国对东南亚国家关注度普遍提高,东南沿海地区普遍高于内陆地区,长三角地区关注度增长迅速,珠三角地区关注度最高。2）泰尔指数整体下降明显,东、中、西和东北经济分区区内部关注度差异的缩小与区域间关注度差异的拉大并存。3）区域内部的差异是造成中国对东南亚国家关注度差异的主要原因,而东部省份之间的区域差异是造成区域内部差异的主要原因。4）马来西亚逐渐取代越南,与新加坡、泰国组成东南亚地区被中国关注最多国家中的前三甲,出境旅游、经济贸易往来以及金融投资与合作是拉近双边关系的重要因素。5）对东南亚国家相对关注度较高的地区向东南沿海集中,东南亚被关注国家均分布在南海周边,南海战略地位突显。上海与东南亚国家的联系逐渐弱于广东,表现出广东在对东南亚贸易方面突出的地位以及城市之间跨流域的区域贸易分工。 相似文献
3.
This paper uses data for the period 1950–2050 compiled by the United Nations Population Division together with methods including spatial autocorrelation analysis, hierarchical cluster analysis and the standard deviational ellipse, to analyze the spatio-temporal evolution of population and urbanization in the 75 countries located along the routes of the Silk Road Economic Belt and the 21st-century Maritime Silk Road, to identify future population growth and urbanization hotspots. The results reveal the following: First, in 2015, the majority of Belt and Road countries in Europe, South Asia and Southeast Asia had high population densities, whereas most countries in Central Asia, North Africa and West Asia, as well as Russia and Mongolia, had low population densities; the majority of countries in South Asia, Southeast Asia, Central Asia, West Asia and North Africa had rapid population growth, whereas many countries in Europe had negative population growth; and five Belt and Road countries are in the initial stage of urbanization, 44 countries are in the acceleration stage of urbanization, and 26 are in the terminal stage of urbanization. Second, in the century from 1950 to 2050, the mean center of the study area’s population is consistently located in the border region between India and China. Prior to 2000, the trajectory of the mean center was from northwest to southeast, but from 2000 it is on a southward trajectory, as the population of the study area becomes more concentrated. Future population growth hotspots are predicted to be in South Asia, West Asia and Southeast Asia, and hotspot countries for the period 2015–2030 include India, China, Pakistan and Indonesia, though China will move into negative population growth after 2030. Third, the overall urban population of Belt and Road countries increased from 22% in 1950 to 49% in 2015, and it is expected to gradually catch up with the world average, reaching 64% in 2050. The different levels of urbanization in different countries display significant spatial dependency, and in the hundred-year period under consideration, this dependency increases before eventually weakening. Fourth, between 2015 and 2030, urban population hotspots will include Thailand, China, Laos and Albania, while Kuwait, Cyprus, Qatar and Estonia will be urban “coldspots.” Fifth, there were 293 cities with populations over 1 million located along the Belt and Road in 2015, but that number is expected to increase to 377 by 2030. Of those, 43 will be in China, with many of the others located in India, Indonesia and the eastern Mediterranean. 相似文献
4.
中国周边地缘政治与地缘经济格局和对策 总被引：18，自引：6，他引：12
在对19 世纪末和20 世纪西方代表性地缘政治与地缘经济理论进行重点介绍的基础上,分析了中国周边地缘政治与地缘经济的历史和现状特点,阐述了中国周边地缘政治与地缘经济的基本格局与发展态势,即：北部地缘政治关系紧密,地缘经济发展较快;西部地缘政治关系持续发展,地缘经济合作前景广阔;西南部为地缘政治破碎带,地缘经济极具潜力;南部地缘政治与地缘经济关系总体良好,但南海问题是不稳定因素;东部地缘政治热点问题敏感复杂,地缘经济结构相对稳定。最后提出了改善提升中国周边地缘政治关系与发展地缘经济的“北联、西进、南合、东拓”地缘战略及对策建议。 相似文献
5.
域外国家与南海周边地缘经济联系强度演化与态势评估 总被引：1，自引：0，他引：1
随着全球经济重心逐渐向亚太地区转移以及区域地缘经济联系日趋紧密,南海战略地位日益凸显,南海周边已成为全球重要战略区域和亚洲最重要的国际地缘问题区域。运用社会网络分析法、修正引力模型等方法,从贸易、投资、旅游等视角切入探究域外国家与南海周边区域的地缘经济联系演变及态势。结果表明：① 2005—2019年域外国家与南海周边区域的贸易联系日益紧密但贸易合作的非均衡化现象较为突出,域内出口贸易网络呈现以中国为核心,老挝、文莱和柬埔寨为边缘地带的相对稳定网络结构特征。② 域外国家对南海周边区域的投资规模显著提升但投资规模的两极化差异态势较为明显,投资区位呈现由高度集中向渐进式扩散转变态势。③ 域外国家入境旅游流持续增长,旅游网络由中国为单一核心演变为中国和泰国为双核心的网络结构,旅游目的地日趋多元化。④ 域外国家与南海周边区域地缘经济联系强度有所降低,但与东盟9国地缘经济联系强度整体上升;虽然以美日为代表的域外国家逐渐减弱与中国的地缘经济联系,但地缘经济联系网络整体仍然呈现以中国为核心,以泰国和新加坡为次核心的网络结构。 相似文献
6.
贸易便利化是“一带一路”贸易合作的关键环节,提高贸易便利化水平有利于促进区域内经济要素有序自由流动。论文从贸易便利化入手,基于已有文献回顾,构建包含29个指标的贸易便利化评价体系,分析2013—2017年“一带一路”沿线国家的贸易便利化发展态势和空间格局,并提出相关政策建议。研究结果显示：① 2013—2017年,沿线国家贸易便利化水平呈缓慢上升态势,蒙俄、中亚、中东欧、西亚增长较明显;② 沿线国家贸易便利化水平呈“东西高、中间低,北高南低”的空间格局,空间差异呈缩小态势;③ 二级指标与贸易便利化总指标的发展态势相对一致,电子商务、市场准入、海关环境、口岸设施等增长态势较明显;④ 综合发展高水平型、综合发展低水平型是沿线国家主要模式,通关成本与国际合作滞后型、内部贸易环境领先型、基础设施建设领先型分别成为东南亚、中东欧和中亚部分国家的重要发展模式。 相似文献
7.
中国最早发现和开发利用南海及其诸岛,南海之名始见于周朝,距今3 000多年,至秦汉时,已开发南海至印度洋的航运和商贸事业。南海诸岛和南海部分海域属于中国领土和海疆,标示在中国出版的地图中为断续国界线。南海周边国家关系历来大多处于和谐状态,其中秦汉南海海上丝绸之路和明朝郑和船队下西洋为其中显著发展的和谐时段。而自中世纪以来,域外强国侵入南海,使南海区域在相当长时间内处于严重不和谐状态。其中,15―19世纪,欧美殖民主义者侵占南海周边各国。20世纪上半叶,日本殖民主义者开始侵占中国南海诸岛,并在第二次世界大战中吞占了整个南海区域;20世纪下半叶,法国和美国相继挑起印度支那战争和越南战争。南海周边部分国家霸占中国南海诸岛许多岛礁,并在其上建筑和扩建机场及港口,扩军备,分割其海疆并掠夺其海洋石油天然气资源。中国必须开展积极的外交和军事活动,尤其是加强国防建设,在南海诸岛建设海空军基地,才能保护中国南海油气和渔业资源的开发和运输畅通,并尽早收回全部岛礁主权,使南海周边国家愿意“共同开发”,创造和谐的南海。 相似文献
8.
中亚五国是我国西出的首站,是参与丝绸之路经济带建设的重要国家,中国与中亚的贸易投资合作直接关系到我国地缘经济空间的拓展,对“一带一路”建设意义重大。本文从地缘经济和区域经济合作的角度,运用统计分析和比较分析的方法,研究比较了中亚五国经济总量的发展变化,中亚五国的贸易环境及其与中国贸易的成效,以及中亚五国的营商环境和中国对中亚各国投资的成效。主要结论如下：中亚国家的贸易投资环境总体处于较低水平,仍需得到进一步改善;中国对中亚不同国家的贸易和投资呈同向发展的趋势;中国与中亚国家正在形成能源资源进口与民用品出口的格局;中国对中亚国家的贸易投资不平衡,呈现出国别差异较大、个别行业分布过于集中的特点,可能会加大中国对中亚国家贸易投资的风险。为进一步提升双方合作,提出以下建议：提高区域贸易投资便利化水平;因国施策,进一步发挥各方潜力,扩大贸易投资规模;促进区域经济的均衡可持续发展;鼓励双向投资,提高贸易投资的广度和深度,与中亚共同构建更加合理的区域贸易投资体系。 相似文献
9.
10.
Cultivated land change in the Belt and Road Initiative region 总被引：3，自引：1，他引：2
The Belt and Road Initiative (BRI)–a development strategy proposed by China – provides unprecedented opportunities for multi-dimensional communication and cooperation across Asia, Africa and Europe. In this study, we analyse the spatio-temporal changes in cultivated land in the BRI countries (64 in total) to better understand the land use status of China along with its periphery for targeting specific collaboration. We apply FAO statistics and GlobeLand30 (the world’s finest land cover data at a 30-m resolution), and develop three indicator groups (namely quantity, conversion, and utilization degree) for the analysis. The results show that cultivated land area in the BRI region increased 3.73×104 km2 between 2000 and 2010. The increased cultivated land was mainly found in Central and Eastern Europe and Southeast Asia, while the decreased cultivated land was mostly concentrated in China. Russia ranks first with an increase of 1.59×104 km2 cultivated land area, followed by Hungary (0.66×104 km2) and India (0.57×104 km2). China decreased 1.95×104 km2 cultivated land area, followed by Bangladesh (–0.22×104 km2) and Thailand (–0.22×104 km2). Cultivated land was mainly transferred to/from forest, grassland, artificial surfaces and bare land, and transfer types in different regions have different characteristics: while large amount of cultivated land in China was converted to artificial surfaces, considerable forest was converted to cultivated land in Southeast Asia. The increase of multi-cropping index dominated the region except the Central and Eastern Europe, while the increase of fragmentation index was prevailing in the region except for a few South Asian countries. Our results indicate that the negative consequence of cultivated land loss in China might be underestimated by the domestic- focused studies, as none of its close neighbours experienced such obvious cultivated land losses. Nevertheless, the increased cultivated land area in Southeast Asia and the extensive cultivated land use in Ukraine and Russia imply that the regional food production would be greatly improved if China’ “Go Out policy” would help those countries to intensify their cultivated land use. 相似文献
11.
中国城市群的竞争力及对区域差异的影响 总被引：1，自引：1，他引：0
城市群已成为中国推进新型城镇化的主体形态,但各城市群的发展水平和在区域经济发展中的地位不同。本文引入竞争力这一概念,通过对城市群竞争力概念、内涵和评价方法的回顾,从经济竞争力、人力资源竞争力、基础设施竞争力、国际化竞争力和科技竞争力五个方面构建中国城市群竞争力评价指标体系。研究结果发现中国城市群的竞争力存在着发展水平差异和区域差异。按照综合竞争力和五项一级指标竞争力评价,13个城市群的发展水平可以分为四个层次：第一层次包括长三角、京津唐和珠三角三大城市群,是中国的经济中心和参与国际竞争合作的重要平台;第二层次包括成渝、山东半岛、辽中南、武汉等四个城市群,它们在部分方面的竞争力体现出了一定的优势和潜力,是区域经济的增长极。第三、第四层次城市群的竞争力较为薄弱。本文进一步提出城市群核心竞争力的概念,科创能力、国际化水平、资本集聚度是构成城市群核心竞争力的三大要素,城市群核心竞争力的差异在很大程度上造成了中国三大地带之间的发展差异,且由于先进生产要素分布的高度不均衡,中国区域发展差异的现象还将长期存在。 相似文献
12.
俄罗斯和中亚五国地域辽阔,土地、森林、水、能源等自然资源丰富,尤其是有色金属矿藏,种类配套齐全,在世界都占有重要地位。俄罗斯和中亚五国与中国在地缘、历史和文化等多方面有着悠久的历史,具有资源开发、经贸合作和科技交流的国际背景和有利条件。俄罗斯和中亚五国十分重视资源开发和原料出口,向主要经济合作伙伴推销资源产品,并很快引起许多国家,尤其是经济发展较快国家的重视。在未来的几年中,中国与俄罗斯和中亚五国在土地、电力、建材、机械、畜牧业、信息、交通等领域都有着广阔的合作空间。可以说,中国与俄罗斯和中亚五国及其辐射地区市场潜力巨大,待开发的领域空白点较多,特别是里海、西伯利亚的石油和天然气,是21世纪全球最具能源开发前景的地区,而能源勘探与开采领域则是我们未来需要重点发展合作的领域。但是,中亚国家的原料型经济倾向,参与世界经济一体化程度不足,生产和社会基础薄弱,这些问题都阻碍着中亚国家的可持续发展。特别是中亚国家的加工工业和轻工业相对落后,大部分日用消费品依靠进口。这是我国在中亚区域经济合作中充分发挥市场优势、加工业优势的有利条件。所以,资源和经济技术的互补性,对发展中国与中亚五国和俄罗斯双边的区域经济合作都将起到积极作用。展望21世纪的俄罗斯、中亚五国与中国的经贸合作关系,根据俄罗斯和中亚各国资源状况实地调查和统计资料等,对区域资源开发现状与潜力进行了分析,对共同面对的问题,合作的基础和条件及合作前景,都进行了探讨。 相似文献
13.
Evolution and geographic effects of high-speed rail in East Asia: An accessibility approach 总被引：3，自引：2，他引：1
The rapid development of high-speed rail (HSR) is influencing regional development, regional structure, commuting, and regional integration. East Asia is the region with the world’s first and largest current operating and planned HSR network. In this paper, we examine the evolutionary mechanism and impacts on the transport circle and accessibility of HSR in East Asia. The results indicate that the HSR network first follows a “core-core” model and then forms a corridor in Japan, South Korea, and China Taiwan, but then forms a complete network in China Mainland. The current operating HSR lines are mostly distributed in regions with developed economies and dense populations, and more than half of the population and GDP in China can be served by HSR within 1 hour’s travel time. The planned HSR network will expand to the western region of China and Japan and the southern region of South Korea. The development of the current operating and planned HSR network considerably enlarges the transport circle of core cities, especially cities along trunk HSR lines. This 1 h transport circle of core cities has formed continuous regions in the Yangtze River Delta, the Pearl River Delta, Tokyo, Seoul, and along trunk HSR lines. The HSR network will bring about substantial improvement in accessiblity, but also increase the inequality of nodal accessibility in China Mainland. Spatially, the spatial patterns of the weighted shortest travel time of cities in China Mainland, Japan, and South Korea all present the “core-peripheral structure”, taking Zhengzhou, Tokyo, and Seoul, respectively, as core cities, and cities located along the trunk HSR lines gain large improvement in accessibility. 相似文献
14.
新冠疫情对中国国际航空网络连通性的影响及空间差异 总被引：1，自引：0，他引：1
航空运输在实现各国互联互通、推动全球经济发展中发挥着重要作用。突发公共卫生事件或恶劣天气等均易对航空网络的连通性造成影响。本研究以新冠疫情为例，从全球航空网络视角探讨新冠疫情对中国国际航空网络连通性的影响及地区差异。研究结果表明：疫情期间，中国境外通航城市、国际航班、国际航线数量均大幅缩减，航空网络连通效率显著降低，但其空间格局未发生根本性变化，东亚和东南亚仍是中国对外主要联系地区，经济联系与贸易仍然起着重要作用。航线停飞对中国与中亚、西亚和大洋洲航空网络的连通性影响最大，而航班缩减对中国与东亚、中亚和东南亚航空网络的连通性影响最大。在国内，北京、上海和广州仍然是中国对外联系的枢纽城市，且其聚集度在疫情期间得到提升。 相似文献
15.
南中国海及泰国湾渔业资源过度利用现状及保护对策 总被引：1，自引：0，他引：1
南中国海及泰国湾具有丰富的浅海和热带的生物多样性,支持着一个世界重要的渔场,同时南中国海及泰国湾周边的国家还是目前亚洲太平洋地区工业化和经济快速增长的中心,关系着东南亚及相邻地区的政治和经济的稳定.过去对渔业资源的过度开发利用,造成了该海区渔业资源减少,海岸环境退化严重.虽然南中国海及泰国湾周边国家过去都实施了相应的海洋环境保护行动计划,然而缺乏区域协调措施大大降低了这些行动的有效性.文中对南中国海及泰国湾渔业资源过度利用现状进行了诊断分析,识别了渔业资源过度利用造成的环境问题以及这些环境问题的跨境影响, 相似文献
16.
利用祁连山区及周边29 个气象观测站近41 年秋季云形状和气温观测资料, 分析了祁连山区秋季层状云出现频率的空间分布与时间变化特征, 探讨了秋季层状云出现频率与气候变暖的关系, 并选用同期NCEP/NCAR全球再分析资料, 对祁连山区秋季层状云的环流特征和水汽输送进行了分析。结果表明:①祁连山区秋季层状云出现频率为8%～26%, 呈西少东多的空间分布。②近41 年来, 祁连山区秋季增温1.2℃, 气温变化的倾向率为0.29℃/10a, 80 年代中期以后发生了增温的突变。③祁连山区秋季层状云的出现频率呈明显的减少趋势, 近41 年来减少约11%, 倾向率为-2.7%/10a, 尤其在20 世纪80 年代中期以后与同期祁连山区显著增温相对应, 层状云出现频率减少更为明显, 层状云出现频率与气温呈明显的反相变化趋势。④在气候变暖的背景下, 祁连山区的层状云出现频率减少, 减少的幅度从西北向东南递增。当祁连山区秋季平均气温在升高1℃ 时, 祁连山区层状云出现频率减少2%～10%, 祁连山西段、中段减少2%～4%, 祁连山东段减少4%～10%。⑤祁连山区秋季层状云偏多与偏少年在欧亚500 hPa 环流场上存在明显的差异, 层状云偏多年, 极涡向亚洲北部伸展, 东亚大槽较偏弱, 乌拉尔山高压脊偏强, 脊前偏北气流引导极地冷空气沿偏西北路径向中国西北地区输送, 中亚地区到高原上不断有低值系统发展东移, 同时南支槽加强, 来自阿拉伯海、南海、东海的暖湿气流向内陆地区的输送明显加强, 与进入高原北部的冷空气交绥, 从而使祁连山区层状云出现频次增多;层状云偏少年, 中亚-中国西北地区暖性高压异常加强, 东亚大槽偏强, 冷空气活动路径偏东, 亚洲大陆至西太平洋冬季风特征明显, 偏北风加强, 不利于东南暖湿气流向西北内陆地区的输送, 冷暖气流在祁连山区交绥次数减少, 从而使祁连山区层状云出现频次减少。⑥印度洋沿孟加拉湾的向北的水汽输送, 副热带西太平洋的偏东气流在南海和中南半岛附近转为向北的水汽输送, 地中海、里海的西风带纬向水汽输送是3支影响祁连山区秋季层状云多寡的水汽输送通道, 进而对祁连山区秋季降水产生影响。 相似文献
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国际公路运输作为“一带一路”倡议之互联互通的重要部分,是沿线国家经贸往来的重要载体。本文基于国际公路运输链的角度,结合行车时间和通关耗时,从公路通行能力和通行便捷性两方面分析“一带一路”区域公路通达性。研究表明：① “一带一路”区域公路通行能力分布状况存在不平衡现象,中东欧、中国、印度形成“三极”,通行能力明显高于其他区域,中亚、西亚、东北亚等地区由于公路覆盖率低、缺少高等级公路成为通行能力薄弱区域。② 受累积空间距离、跨境通关时间、公路网的完善程度以及政治局势等因素影响,“一带一路”区域通行便捷性在空间分布上大致呈现“中东欧-中国”双峰结构;区域之间乃至区域内部国家间通行便捷性差异显著,从高通行便捷性到低通行便捷性,通达时间由公路行车时间主导过渡到通关累积时间主导,国家间的通关障碍在很大程度上降低了“一带一路”区域公路运输整体通达性水平。 相似文献
18.
Population,urbanization and economic scenarios over the Belt and Road region under the Shared Socioeconomic Pathways 总被引：1，自引：0，他引：1
Jing Cheng Tao Hui Jiang Tong Wang Yanjun Zhai Jianqing Cao Lige Su Buda 《地理学报(英文版)》2020,30(1):68-84
The countries throughout the Belt and Road region account for more than 60% of the world's population and half of the global economy. Future changes in this area will have significant influences on the global economic growth, industrial structure and resource allocation. In this study, the proportion of the urban population to the total population and the gross domestic product were used to represent the levels of urbanization and economic development, respectively. The population, urbanization and economic levels of the Belt and Road countries for 2020–2050 were projected under the framework of the IPCC's shared socioeconomic pathways(SSPs), and the following conclusions are drawn.(1) The population, urbanization and economic levels in the Belt and Road region will likely increase under all five pathways. The population will increase by 2%–8%/10 a during 2020–2050 and reach 5.0–6.0 billion in 2050. Meanwhile, the urbanization rate will increase by 1.4%–7.5%/10 a and reach 49%–75%. The GDP will increase by 17%–34%/10 a and reach 134–243 trillion USD.(2) Large differences will appear under different scenarios. The SSP1 and SSP5 pathways demonstrate relatively high urbanization and economic levels, but the population size is comparatively smaller; SSP3 shows the opposite trend. Meanwhile, the economy develops slowly under SSP4, but it has a relatively high urbanization level, while SSP2 exhibits an intermediate trend.(3) In 2050, the population will increase relative to 2016 in most countries, and population size in the fastest growing country in Central Asia and the Middle East countries will be more than double. Urbanization will develop rapidly in South Asia, West Asia and Central Asia, and will increase by more than 150% in the fastest growing countries. The economy will grow fastest in South Asia, Southeast Asia and West Asia, and increase by more than 10 times in some counties with rapid economic development. 相似文献
19.
中国东北东部边境地区旅游业发展研究 总被引：5，自引：0，他引：5
近年来,随着东北三省几大经济区(带)的战略地位上升,以及一批重大基础设施的相继开建,使得东北地区经济呈现出快速发展之势。同时东北区域一体化进程明显地加快,东北亚地区国际环境的改善以及合作需求的增强,为东北东部边境地区旅游业发展提供了巨大动力。在具体分析了东北东部边境地区旅游资源优势、旅游业发展现状及存在问题的基础上,对区域旅游业发展提出具体建议,特色旅游产品开发主要集中于对边境旅游、自然生态旅游、冰雪旅游、文化旅游等产品的开发,并在此基础上构建"五区-四轴"的旅游空间布局及区域战略合作关系。 相似文献
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19世纪末20世纪初,美国成为世界第一大经济体,亟须开辟海外新市场。为了争夺当时被认为是潜在的“最大的世界市场”,美国侵占西班牙在南海东岸的殖民地菲律宾,将其作为进入中国市场的据点,这是美国对南海地缘的最初认知。在以后的30多年时间里,美国都没有染指南海,直到日本侵略东南亚。日本把东南亚纳入“大东亚共荣圈”,利用南海地缘优势攻击美军,使南海首次呈现重要的地缘战略价值。南海地缘的新变化促使美国重新认知南海。此后,随着“边缘地带论”的兴起,美国越发重视南海的地缘战略价值,并谋求为自己的国家利益服务。进入20世纪50年代,亚太形成了截然对立的以中国为首的社会主义阵营和以美国为首的资本主义阵营。遏制共产主义在亚太扩张成为美国推行霸权战略的总方针。这直接影响美国对南海的地缘战略认知,利用南海的地缘战略价值围堵遏制中国就成为美国对华政策的必然选项。 相似文献