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科学时代收录了1160609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 quasar double quotation mark double quotation marks doubler doubler
double radio source double-range house double-ratio estimator double recovery double reduction gearbox
double reed double reflection double refraction double refraction double refraction of flow
double register double-regulated generating unit double remelting double-resonance double return wind tunnel
double reversal double reversal design double revolving stage double rhyme double ridge
double rig method double-ring galaxy double-ring pattern double roll double roll crusher
double roll crusher double-roller quenching method double room double root double root
double rose double-row footlights double Rueping process doubles double salt
double sampling double sampling double sampling double sampling double sampling
double sampling inspection double sampling inspection plan Double Sandwich double saucepan double scale
double scourer double scraper double-screw extruder (for plastics) double screw gravity feed machine double seal
double seam double seamer double seams double-seated (double ported) control valve double self
double selvedge double sensory impairment double series double series double-sessions
double sharp double sharp double shear double shelving double-shift school
double-shift system double shot double-shouldered point double-sided double-sided
double-sided angle-reading system double-sided disk double-sided metallized film capacitor double-sided screen double sighting error
double sigmoid pattern double sleeve double slide wire bridge double-slit diffraction double-slit interference
double socialization double sound source double source double-spectrum binary double spending
double spiral cut double spread double spread double spread double-stack container
double-stack rail car double-stack service double-stack terminal trailer double-stack train double-stage air washer
double-stage flush tank double standard double standard double standardization double star
double step pusher centrifuge double Stone lattice double stop double-stranded DNA double-stranded DNA--double-stranded DNA(dsDNA)
double-stranded DNA virus double-stranded DNA(dsDNA) double-stranded nucleic acid double-stranded RNA virus double-stranded virus
double strand mill double-strength stop bath double structure double sunspot cycle double switching
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