短語詞組短語constant attenuation quantity 固定衰減pointer constant quantity 指針常量rotation constant quantity 轉(zhuǎn)動(dòng)慣量constant order -quantity system 固定訂段數(shù)量制度;詳細(xì)繙譯time constant of expotential quantity 指數(shù)量的時(shí)間常數(shù) 返回 constant quantity