This article discusses the policies of international migration and its impact factors, an analysis of international migration policy and international relations and their interaction.
本文主要探讨了国际移民及其政策的影响因素，分析了国际移民及其政策与国际关系的互动。
It is especially adaptable to analysis the inter-sector and inter institutional effects and the overall social-economic impact due to policy change.
比较适合研究政策变化导致的部门间、机构间影响以及效率、产出等整体的经济效果。
Based on the analysis of the situations of EIA policy and its existing problems in China, some measures have been presented in order to improve environmental impact assessment effectiveness.
文章在分析我国环境影响评价制度现状和存在问题的基础上，提出了解决这些问题的措施。
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