double-thrust bearing 对向推力轴承,对向止推轴承
/ w1 ^% Z! d9 V# B6 \% ]3 kdouble-wedge 菱形的,双楔形的
6 r+ i0 x' i0 s3 Sdoublem\-beam spectrophotometer 双光束分光光度计 8 k) _' ^1 L! |4 v+ r
doubler 倍频器 7 O) {9 `5 y9 o7 z; H
doublet (1)双重线(2)偶极天线(3)双合透镜(4)偶极子 ~' M8 A* J9 [* S. ~" Q+ d/ @
doublet interval 双线间隔
b! K2 t: l2 j) O7 Ldoubly charged ion 双倍带电离子 5 A5 v3 L2 |( }. D" a
doubly clad optical fiber 双包层光纤维
, x* H H# Z/ E Y+ ?doubly clad wavegudie 双包层波导 中华考试网(www.Examw。com)7 @$ G. p8 Q+ ~; f4 p3 m: h! l
doubly diffuse density (1)双漫射密度(2)双散射密度
: g- C. T- A2 h' W/ Y# p/ Edoubly refracting crystal 双折射晶体 2 y8 n, `9 u0 J' s; [
doubly resonance (1)双共振(2)双共呜
6 G9 Q- H( |* D6 e0 O6 h( Q$ u1 X, tdoubly resonant oscillator 双共振振荡器
/ r* _& S0 ?- E- \' a& V! k Ndoubly resonant parametric oscillator 双共振参量振荡器 . y8 h: W1 x) Z7 s
doubly-dispersed spectrum 两次色散光谱
6 f* J/ B1 @/ y3 o* X5 E- tdoubly-excited levels 双重受激能级
- b3 j( k ~# i2 mdoughnut-shaped flash lamp 环形闪光灯 ) ^5 F+ G8 S7 n- } ]
doughunt (1)环形室(2)环形真空罩
) _! Y, H6 @' G) c" l" {, hDove prism 道威棱镜 : W1 K% s2 t# n* a/ C0 z G0 D+ ?$ j
dovetail (1)燕尾(2)楔形准
; H" D7 a h: ~4 c7 P! y* s! A, x4 Vdovetail groove 燕尾槽 " ]. V6 t; G1 a
dovetail guide 燕尾道轨
9 h! V/ J/ y7 l# [9 `/ b) d( s4 A5 wdovetail slide 燕尾滑板 4 R( q* P; O/ V9 M
dovetailed way 燕尾导轨 . x( A) q) R( V/ K7 A; d/ y7 ^ Q' x
dovetailing 燕尾连接 # `9 H" z: X/ ?9 i3 y+ Q) Y4 ~
dowel [pin] (1)定缝销钉,暗钉(2)木钉(3)定位销
! `2 D; h6 f$ ~Dowell interferometer 多威耳干涉仪
4 u6 X6 K# _" zdown shot 俯瞰摄影
* k! ^ z. Y+ u/ u0 S- {2 hdown-coming wave 下射波
0 b7 I2 g) S# hdown-conversion 下转换,降频转换
! C% z4 ?3 u' D( y! o5 ]- ]down-converter (down-convertor)下换器,降频转换器
% b9 P' N0 {8 ^# u# e7 e- I5 b5 }draft (1)草图(2)草案 + {2 T* n2 T/ e6 j( K
draft equipment 绘图设备
3 }/ o8 g5 d+ _0 s. m% Ddrafter 制图机械
) n+ r. R5 e4 y0 m# q/ O: v6 ldrafting 制图 # V% Y6 E6 x8 c- B, c
drafting board 制图板,绘图板 |