D 開頭單詞

double suicide gene [醫(yī)藥科學(xué)]雙自殺基因

double suicide 雙雙自殺；殉情

double suction centrifugal pump [機(jī)械工程]雙吸式離心泵

double subscript [數(shù)學(xué)]雙下標(biāo)[機(jī)械工程]雙重底注

double strike 雙擊

double stream amplifier tube [經(jīng)濟(jì)學(xué)]雙電子注放大管

double stranded helix [材料科學(xué)]雙（股）螺旋雙螺旋[生物學(xué)]雙鏈螺旋

double stopper hitch [交通運(yùn)輸工程]雙掣索結(jié)

double start thread 雙頭螺紋

double star 雙星（緊密相連的二顆星，借望遠(yuǎn)鏡始可分辨者）

double standards

double standard (n.)

double standard 雙重標(biāo)準(zhǔn)

double stagger tuning [動(dòng)力與電氣工程]雙重錯(cuò)調(diào)[電子、通信與自動(dòng)控制技術(shù)]雙重錯(cuò)調(diào)[機(jī)械工程]雙重錯(cuò)調(diào)

double squirrel cage rotor [經(jīng)濟(jì)學(xué)]雙鼠籠式轉(zhuǎn)子

double spiral mixer [經(jīng)濟(jì)學(xué)]雙螺旋混合機(jī)

double specification limit [數(shù)學(xué)]雙重規(guī)格限制雙邊規(guī)格界限[商業(yè)]雙邊規(guī)格界限

double space

double source array television antenna [經(jīng)濟(jì)學(xué)]雙源陣列電視天線

double sloping bed [經(jīng)濟(jì)學(xué)]雙面溫床