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科学时代收录了3405121条科普词条,基本涵盖了常见科普常识及英语词汇的翻译,是科学学习和研究的有利工具。

Double fracture double fracture double fracture of shafts of ulna and radius double frame double-framed generator
double framed wall double frame hammer double-frame hammer double frequence sampler double frequency
double-frequency generator double frequency laser double-frequency pulse-width modulation double frequency receiver double frequency recording{=DFR}
double frequency sequence signalling system Double Frequency Shift Keying{=DFSK} double frequency shift keying{=DFSK} double frequency vibration double-frit glaze
double front double front salto elements double fugue double fugue {Fr.} double function
double funnel double furnace boiler double galaxy double gap gage double gate
double gate{=DG} double gate disk double gate fully depleted SOI double gate lock double-gate metal oxide semiconductor{=DGMOS}
double gate MOSFET double gate operation double gate silicon on insulator double gate transistor double gauge track
double Gaussian double Gauss lens double-Gauss lenses double geared drive double gestation
double girder crane double girder gantry crane double-girder overhead crane double-glazed insulating pane double glazed unit
double goniometer double governor double grading double grafting; double working double graph
double Green double-grid tube double grid tube double groove double groove weld
double ground fault double group double guide bar mechanism Double hand double-handed
double handed roller bandage double hanging truss double haploid (Warmke & Blakeslee 1939) double hard chine hull double hard-chine hull
Double hare-lip double harness cord double harp double hashing double headed conical spring
double headed nail double-headed nail double headed rail double headed spike double header
double-header boiler double heading double heading cock double headings double head latch needle
double head milling machine double head rail double head spanner double head (telephone) receiver double head(telephone) receiver
double head type double head wrench double heart curve double hearth furnace Double heart-wood
double-helical gear double helical gear double helical ribbon mixer double helical teeth double helical tooth
double helix double helix crystallizer Double heterojunction double heterojunction Double heterojunction bipolar transistors{=DHBTs}
Double Heterojunction{=DH} injection laser Double Heterojunction{=DH} LED double hetero junction laser double heterojunction laser Double heterostructure
double hetero structure double heterostructure double heterozygote double hight water double high water
double-hinged arm double hinge structure double homozygote double hook double Hooke's joint
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