时序操作 顺序操作 顺序运算顺序操作sequentialprogramming: 顺序程序设计sequentially-lobed radar: 顺序直线扫探雷达sequentialprogrammingsystem: 顺序程序设计系统sequentially structured keyed record: 顺序结构键记录sequentialrepetitivee: 顺序重复下载手机词典可随时随地查词查翻译