摘要：AbstractCrude oil plays a pillar role in China's national economy. With the continuous growth of dependence on foreign oil, the security of crude oil supply has become the focus of attention in China. This paper analyzes the various factors that affect the security of oil supply, establishes an index system of evaluation, and filters out the main ones among those factors. In the end, the paper made a summary with recommendations to strengthen the security of oil imports.Foundation item:important issue on philosophy and social science supported by China Ministry of Education(11JZD049)
关键词：safety of crude oil import;index system;G1 method
