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科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

double-framed generator double frame hammer double Frank's mirror double frequency double-frequency coding
double-frequency generator double-frequency oscillation double-frequency oscillator double-frequency sequence signalling system double frequency table
double-frill girdle double fringe double function key double furnace boiler double furrow
double furrow plough double galvaized wire double-gap double gap cavity double gate
double-gate double-Gauss derivatives double-Gauss goniometer double Gauss lens double-Gauss objective
double-Gauss type lenses double gear cone transmission double-geared double-geared drive double-glass seal
double-glazing double glazing unit double governor double grading double graft
double grating double grating monochromator double grating spectrograph double grid double groove
double groove joint double groove weld double-ground fault double group double gulley
double gun and dual trace oscilloscope tube double halfwave filter double-handed saw double hanger (轴承用) double harvest rice
double-head chaplet double-headed camera double-headed nail double-headed rail double-headed spike
double-headed tube bender double header double-header boiler double-head flat scraper double-heading
double headings double head receiver double head set double-head tyre double-hearth furnace
double heating double heatsink diode double hedging double helical bevel gear double helical double helix
double helical double-reduction unit double helical gear planer double helical heater double helical spring double helical spurgear
double helical (spur) gear double helical tooth double helix double helix structure double herringbone
double heterojunction diode double heterojunction laser double-heterostructure double-heterostructure injection laser double high rolling mill
double-hinged arch double hinged arm double hinged swivel double hinged swivel arm double hinged swivel wall drilling machine
double hole type nozzle double hollow bit tongs double-hook double Hooke's joint double horizontal milling machine
double-horn radiator double-housing planer double-hulled double-humped resonance double-humped wave
double-hump effect double-hung doublehung window double-hung window double hybrid
double image double-image echo double-image effect picture double image effect picture double image eyepiece
double image lens double image ocular double image prism double image range finder double-image signals
double impedance coupling double impeller breaker double imperial double impression method double impulse
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