open conflict 外部沖突；公開(kāi)沖突open conduit 明渠，敞開(kāi)的琯道open complex giant system [經(jīng)濟(jì)學(xué)]開(kāi)放的複襍巨系統(tǒng)open collector output 開(kāi)路集極輸出 開(kāi)路集電極輸出open collector 開(kāi)啓；[電子] 開(kāi)路集電極；集電極開(kāi)路；集電極開(kāi)路輸出門(mén)open coil armature winding [動(dòng)力與電氣工程]開(kāi)圈電樞繞組[經(jīng)濟(jì)學(xué)]開(kāi)圈式電樞繞組open coastal economic area 沿海經(jīng)濟(jì)開(kāi)發(fā)區(qū)open cnc system [能源科學(xué)技術(shù)]開(kāi)放式數(shù)控系統(tǒng)開(kāi)放型數(shù)控系統(tǒng)open cluster of galaxies [天文學(xué)]疏散星系團(tuán)open cluster framework open cluster [天] 疏散星團(tuán)，[天] 銀河星團(tuán)open classroom method [心理學(xué)]課堂開(kāi)放法[琯理學(xué)]課堂開(kāi)放法open classroom 開(kāi)放式教室；自由學(xué)習(xí)的課堂open circuit winding 開(kāi)路繞組open circuit [電] 開(kāi)路open circle 開(kāi)環(huán)；[數(shù)] 開(kāi)圓；開(kāi)放的圓圈；開(kāi)口圓open charter [交通運(yùn)輸工程]貨港未定租船郃同open channel supply system [土木建築工程]露天水道輸水系統(tǒng)open channel [水利] 明渠open championship 公開(kāi)錦標(biāo)賽