B 開頭單詞

back-end man [地球科學(xué)]截煤機(jī)輔助工

back-end hydrogenation [能源科學(xué)技術(shù)]后加氫

back-end db processor [計(jì)算機(jī)科學(xué)技術(shù)]后端數(shù)據(jù)庫(kù)處理機(jī)

back-end database

back-end adj.后端的

back-emission electron radiography [電子、通信與自動(dòng)控制技術(shù)]反向發(fā)射式電子射線照相背向發(fā)射電子放射線照相術(shù)

back-emf n.反電動(dòng)勢(shì)

back-drop 反摔

back-door selling [商業(yè)]暗盤銷售

back-door listing 借殼上市

back-door coupling [計(jì)算機(jī)科學(xué)技術(shù)]后門連接

back-door adv.不正當(dāng)?shù)?；adj

back-diagonal [計(jì)] 反對(duì)角線

back-date 倒填日期

back-cross 反交

back-crawl 反手拍球,仰泳,用反手擊

back-crank pumping unit [能源科學(xué)技術(shù)]前置式游梁抽油機(jī)

back-coupled hall generator [動(dòng)力與電氣工程]反饋耦合霍爾發(fā)生器

back-country n.人煙稀少的鄉(xiāng)村; 偏僻地區(qū); 邊遠(yuǎn)地區(qū)adj.偏僻鄉(xiāng)村

back-contact transistor 背面接觸式晶體管