[背景材料]日本政府于2004年12月10日通过了表明今后10年安全保障政策的新《防卫计划大纲》。新大纲提出了日本安全战略的两大目标“:防止威胁直接波及日本”和“改善国际环境,以防威胁波及日本”。并提出实现这两大目标的三种途径。这表明本日安全政策的内涵已由国内安全拓展 [Background Materials] The Japanese government passed a new “Defense Plan Outline” on December 10, 2004, which indicates the security policy for the next 10 years. The new outline proposes two major goals of Japan’s security strategy: “Prevent threats from reaching Japan directly” and “Improving the international environment to prevent threats from spreading to Japan”. And propose three ways to achieve these two goals. This shows that the connotation of today’s security policy has been expanded by domestic security