double exposure prevented device 防止重拍机构' S8 _9 o0 Q- w9 u5 H9 E2 R% N) K
double extra dense flint 双超重火石玻璃, p/ D4 Q7 s" ~& c5 O
double focusing 双聚焦6 A# X T: ~' \9 b2 r' A
double frequency 倍频,双频
4 S: f5 p8 i! w& F) n+ pdouble half-wave filter 双半波滤光片
" b: g- u# }+ |! [. z" mdouble heecojunction laser 双异质结激光器
( |0 i2 {2 A2 q/ p2 g7 d& @$ d9 Ndouble helical gear 人字齿轮( L3 T( h( w9 M. n) i" J+ f0 q
double helical tooth 人字齿( Z/ `& r: e9 P! k# ]5 u
double image 双像
* C s" Y! m* Kdouble image micrometer 双像测微器" s% t4 H7 X9 z1 L
double image ocular 双像目镜" U2 Z0 W; F& ~% ^/ i7 n
double image prism 双像棱镜
7 F! P" ]5 ~" u8 H/ Bdouble image range finder 双像测距仪# L& |2 w$ D$ a0 s
double integral 二重积分
3 W% M* [+ y6 H% R/ v4 idouble layer 双层
$ u" f( z! `* h1 U4 Udouble lens magnifier 双透镜放大镜" O9 F$ n2 p0 i/ T1 V2 ]
double mirror 双面反射镜/ ~" m# k3 N( Y
double pass planar dye laser amplifier 双程平面染料激光放大器
- U4 R: U, Q) G" t0 H1 l2 \' D6 L$ I% Hdouble prism field glass 双棱镜望远镜
2 x) n# X# ?- M$ N6 m1 W$ Ydouble protractor 双斜量角器6 W5 ~( d2 F3 A
double pulse excitation 双脉冲激励* | Z. n) Z% A
double pulsing 双脉冲. }% u n$ B( h5 p, k- z
double quartz prism spectroradiometer 双石英棱镜光谱辐射计
9 j6 U# V+ O2 \' D \% \double reflection 双反射1 w0 O) V1 l0 r5 y& i0 Z# I8 N
double refracting crystal 双折射晶体
/ ~6 p6 @ n3 X4 mdouble refraction 双折射, e! M" Z6 z# p: n6 m
double samping inspetion plan 复式抽样检查方案4 z# ~7 |" j2 ~" o$ s9 ?1 I+ R+ B
double scattering 双散射! U7 w! `' J+ o2 F1 E' [+ b
double sided angle-reading system 双向读角系统
$ m. @5 y: u( ]double sighting error 二倍照准误仪中 华 考 试 网) n/ X! k/ O& H& g" [1 {! R9 K
double star 双星/ ^1 s7 u- a/ {0 L3 i3 h4 O" D
double stratum 双层' B1 R' _* o# L- M& v" X9 E' O
double thread 双头螺纹4 u0 C- C l2 s
double vernier 复游标- p/ _1 E+ ?3 {4 d) V
double vision 双视
# V6 ~& f1 a4 M/ V8 Ddouble-beam densitometer 双光束密度计
) [( u9 {, `2 H& Adouble-beam polarizer 双光束偏振器/ w/ L' x; l% M g8 `6 L) f7 w9 s' B5 @
double-center theodolite 复合经纬仪
( ~% g/ A2 A/ w8 Sdouble-crystal diffractometer 双晶衍射计
% [- T, ~5 [" C2 }double-crystal spectrometer 双晶分光计 |