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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 dotted demiquaver rest double dotted demisemiquaver double dotted demisemiquaver rest double dotted eighth note double dotted half note
double dotted minim double dotted minim rest double dotted note double dotted quarter note double dotted quaver
double dotted quaver rest double dotted rest double dotted semibreve double dotted semibreve rest double dotted semiquaver
double dotted semiquaver rest double dotted sixteenth note double dotted thirty second note double dotted whole note double doublet antenna
double(doubly)refracting spar double doup double dove scanner double dove tail key double drafting
double dragging double-drag-link linkage double draining double dribble double drill
double - drive coil double-drum dryer double-drum hoist double-drum winch double drum winch
double dry calorimeter doubled solid state laser double-duct profile double-duct system double-dummy technique
double duplex doubled up swinging boom Double Dutch auction doubled words doubled yarn
double dyeing Double-Dynamic double ear metallic blocks double earth-fault double ebb
double eccentric double eccentric connector Double edge trigger double effect evaporation double effect evaporator
double-effect evaporator double-effect lithium bromide-absorption refrigerating machine double ejector double elastic fastening double electric layer capacitor
double electron bond double electron layer tunneling transistor{=DELTT} double element double elephant folio double elephant size
double elliptical turn double elliptic geometry double-emulsion film double emulsion film Double encryption
double end bolt double ended double-ended ball mill double-ended boiler double ended boiler
double-ended converter double ended cord double-ended cord circuit double ended gap gage double-ended list
double-ended needle double-ended pick double-ended priority queue double ended queue double-ended queue
double ended radius sleeker double ended spanner double-ended topology double-ended vessel double ended wrench
double ender double-end feed double-end graft double-ending double endodermis
double endorsement double endpapers double end punch double end queue double ends
double end shear double end snap gauge double-end upset double-end upset forging double-end upsetting
double-end ventilation double energy transient double engine plane Double English horn double entry
double-entry bookkeeping Double-Entry Bookkeeping double entry bookkeeping double entry card double entry compressor
double entry system double enveloping worm gear pair with straight line generatrix double envelopment double epicyclic train double epitaxial MOSFET{=DEMOSFET}
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