systemfile系统文件systemn.系统；体系；身体；制度System Interface Support Plan系统界面支援计划system software constitutions系统软件system of economic management[法] 经济管理体制System Integration Test Stand系统综合测试站system non-linear evolution系统非线性演化system of temperature control温控系统System for reducing sentences减刑制度System controllability matrix系统能控矩阵system structure of knowledge知识体系System of command and control指挥控制系统