systemallyadv.有系统地
systemn.系统;体系;身体;制度
system description language系统描述语言
System Integration Engineer系统集成工程师
system of harmonic analysis调和分析法
System of Practical Courses实践课程体系
system of selecting courses选课制
system construction granary仓廪体系
system of financial payment金融支付清算系统