dust-free 无尘的' i& E& _8 Y" e( E5 v5 G4 t
dust-free area 无尘区，防尘区
. s' D5 [+ L. @% v# k- K* edust-proof (1)防尘的(2)防尘器wｗw.ExamＷ.CoM
1 T- T6 z2 z+ |& S3 H, G3 Q( p9 X1 dduster 除尘器/ s a, E( t3 R% _) E
duty cycle 负载循环9 R$ @1 r# V* X8 H# J! z
duty factor (1)占空因数(2)负载因数# s+ _- i$ R" ~3 \0 T7 V
DVD-ROM drivesDVD-ROM 光碟机2 ~: Q- n7 ]* o, t2 u3 q
DVD-ROMsDVD-ROM 光碟片
* c; J. S* g8 YDWDM 高密度光分波多工器$ R, v( w* \# I, ]; X( q9 C
DWDM Dense Wavelength Division Multiplexer 高密度波长多工器
$ O! u0 R. d( R8 Z3 G; `dwell (1)同心部份(2)停止(3)静态& V; T2 L3 r; |3 ]
dye 染料，染色( }* @0 F$ ` x
dye(flash lamp pumped)lasers 染料雷射(闪光灯激发)# g, l2 ]8 J% Q4 X( D' p
dye(laser pumped)lasers 染料雷射(雷射激发) |
发表于 2012-8-14 22:56:05
