double-thrust bearing 對(duì)向推力軸承，對(duì)向止推軸承
double-wedge 菱形的，雙楔形的
doublem\-beam spectrophotometer 雙光束分光光度計(jì)
doubler 倍頻器
doublet (1)雙重線(2)偶極天線(3)雙合透鏡(4)偶極子
doublet interval 雙線間隔
doubly charged ion 雙倍帶電離子
doubly clad optical fiber 雙包層光纖維
doubly clad wavegudie 雙包層波導(dǎo) 中華考試網(wǎng)(www．Examw。com)
doubly diffuse density (1)雙漫射密度(2)雙散射密度
doubly refracting crystal 雙折射晶體
doubly resonance (1)雙共振(2)雙共嗚
doubly resonant oscillator 雙共振振蕩器
doubly resonant parametric oscillator 雙共振參量振蕩器
doubly-dispersed spectrum 兩次色散光譜
doubly-excited levels 雙重受激能級(jí)
doughnut-shaped flash lamp 環(huán)形閃光燈
doughunt (1)環(huán)形室(2)環(huán)形真空罩
Dove prism 道威棱鏡
dovetail (1)燕尾(2)楔形準(zhǔn)
dovetail groove 燕尾槽
dovetail guide 燕尾道軌
dovetail slide 燕尾滑板
dovetailed way 燕尾導(dǎo)軌
dovetailing 燕尾連接
dowel [pin] (1)定縫銷釘，暗釘(2)木釘(3)定位銷
Dowell interferometer 多威耳干涉儀
down shot 俯瞰攝影
down-coming wave 下射波
down-conversion 下轉(zhuǎn)換，降頻轉(zhuǎn)換
down-converter (down-convertor)下?lián)Q器，降頻轉(zhuǎn)換器
draft (1)草圖(2)草案
draft equipment 繪圖設(shè)備
drafter 制圖機(jī)械
drafting 制圖
drafting board 制圖板，繪圖板
double-wedge 菱形的，雙楔形的
doublem\-beam spectrophotometer 雙光束分光光度計(jì)
doubler 倍頻器
doublet (1)雙重線(2)偶極天線(3)雙合透鏡(4)偶極子
doublet interval 雙線間隔
doubly charged ion 雙倍帶電離子
doubly clad optical fiber 雙包層光纖維
doubly clad wavegudie 雙包層波導(dǎo) 中華考試網(wǎng)(www．Examw。com)
doubly diffuse density (1)雙漫射密度(2)雙散射密度
doubly refracting crystal 雙折射晶體
doubly resonance (1)雙共振(2)雙共嗚
doubly resonant oscillator 雙共振振蕩器
doubly resonant parametric oscillator 雙共振參量振蕩器
doubly-dispersed spectrum 兩次色散光譜
doubly-excited levels 雙重受激能級(jí)
doughnut-shaped flash lamp 環(huán)形閃光燈
doughunt (1)環(huán)形室(2)環(huán)形真空罩
Dove prism 道威棱鏡
dovetail (1)燕尾(2)楔形準(zhǔn)
dovetail groove 燕尾槽
dovetail guide 燕尾道軌
dovetail slide 燕尾滑板
dovetailed way 燕尾導(dǎo)軌
dovetailing 燕尾連接
dowel [pin] (1)定縫銷釘，暗釘(2)木釘(3)定位銷
Dowell interferometer 多威耳干涉儀
down shot 俯瞰攝影
down-coming wave 下射波
down-conversion 下轉(zhuǎn)換，降頻轉(zhuǎn)換
down-converter (down-convertor)下?lián)Q器，降頻轉(zhuǎn)換器
draft (1)草圖(2)草案
draft equipment 繪圖設(shè)備
drafter 制圖機(jī)械
drafting 制圖
drafting board 制圖板，繪圖板