half exact covariant functor [數(shù)學(xué)]半正合共變函子half exact contravariant functor [數(shù)學(xué)]半正合反變函子half exact 半正合half echo suppressor [經(jīng)濟(jì)學(xué)]半回波抑制器[交通運(yùn)輸工程]半回波抑制器half ebb [交通運(yùn)輸工程]半落期half dozen half dome 半圓頂half dollar 半元銀幣（美元）half deflection method [動(dòng)力與電氣工程]半偏法[機(jī)械工程]半偏法half decent 相當(dāng)不錯(cuò)的；技術(shù)高超的。half dead 精疲力竭的。half cycle [計(jì)] 半周期half cut-off [交通運(yùn)輸工程]半切斷half cut off [交通運(yùn)輸工程]半切斷half crown half cooling time [交通運(yùn)輸工程]半冷卻時(shí)間half convergency [交通運(yùn)輸工程]轉(zhuǎn)換角半收斂差half concept lattice [計(jì)算機(jī)科學(xué)技術(shù)]半概念格half cocked 半待發(fā)狀態(tài)half clove-hitch belay [體育]半瓣結(jié)確保法