external environment 外環(huán)境external entity 外部實(shí)體external energizer [航空、航天科學(xué)技術(shù)]外部增力器external electric supply socket 外接電源插座external economy effect [經(jīng)濟(jì)學(xué)]外部經(jīng)濟(jì)效應(yīng)external economy 外部經(jīng)濟(jì)external economies of scale 外部規(guī)模經(jīng)濟(jì)external economic variable [經(jīng)濟(jì)學(xué)]外部經(jīng)濟(jì)變量external economic expansion 對外經(jīng)濟(jì)擴(kuò)張external ear [解剖] 外耳external disturbance at sea [土木建筑工程]海上外擾external disturbance [自] 外擾，[自] 外部干擾external distributor road [土木建筑工程]外干路external direct sum [數(shù)學(xué)]外直和external dimensions 外形尺寸external dimension 外部尺碼external diameter 外徑external device interrupt [計(jì)算機(jī)科學(xué)技術(shù)]外部設(shè)備中斷外部裝置中斷external decimal number [電子、通信與自動(dòng)控制技術(shù)]外部十進(jìn)制數(shù)external debt standstill agreement [經(jīng)濟(jì)學(xué)]外債延期償付的協(xié)議