mass-extinction event [生物學(xué)]集群絕滅事件mass-balance 質(zhì)量平衡mass yield curve [土木建筑工程]質(zhì)量產(chǎn)額曲線mass velocity [流] 質(zhì)量速度mass unit mass unbalance compensator [航空、航天科學(xué)技術(shù)]質(zhì)量不平衡補償器mass transit 公共交通；集體運輸，大眾運輸mass transfer velocity [環(huán)境科學(xué)技術(shù)]傳質(zhì)速率mass transfer coefficient [化工] 傳質(zhì)系數(shù)；[流] 質(zhì)量傳遞系數(shù)mass transfer characteristic [土木建筑工程]傳質(zhì)特性mass transfer [熱] 質(zhì)量傳遞，[化工] 傳質(zhì)；[物] 質(zhì)量轉(zhuǎn)移mass tournament [體育]群眾比賽mass storage volume group [計算機科學(xué)技術(shù)]大量儲存卷組mass spillage [航空、航天科學(xué)技術(shù)]溢流放氣mass spectrum n. [光] 質(zhì)譜mass spectroscopy [光] 質(zhì)譜學(xué)；質(zhì)譜分析；質(zhì)譜法；質(zhì)譜儀mass spectrometry [分化] 質(zhì)譜分析法mass spectrometer [分化] 質(zhì)譜儀mass spectrography 質(zhì)譜分析法；質(zhì)譜儀mass spectrograph n. [分化] 質(zhì)譜儀