selectives选项课
selectiveadj.选择的;选择性的;精挑细选的
selective capture选择俘获
selective classes选修课
selective etchant选择腐蚀剂
selective amnesia选择性遗忘
selective writing选择写
selective sorting优先拣选
selective mapping选择性映射法
selective process选择过程
selective service义务兵役制
selective loading选择装载