marsabbr. master attitude reference system 主要态度参考系统,midair retrieval system 中空恢复系统,military affiliated radio system 军用附属无线电系统,mathematics anxiety rating scale 数学焦虑等级刻度 n. 毁坏,损坏,玷污( mar的名词复数 ) v. 毁坏,损坏,玷污( mar的第三人称单数 )
graduation (on a vessel or instrument); degree scale; (scale) mark; graduate; ruling; mark deal of meter; dial; graduation of scale; scale; (scale) division