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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 action crankless press double action dobby double action hammer double action hydraulic press double action model of internal news flow
double action pedal double action press double-action press double action pressing double action shock absorber
double address double adiabatic approximation double adjoint addressing double agent double agitator mixer
double air lock door double alignment breakwater double alternate set saw double alternate system double-amplification circuit
double amplitube double amplitude double amplitude peak double anastigmat double and made fast
double angle bar double angle cutter double angle formula double angle [iron] double angle shears
double annealing double annual ring Double-anonymous procedures Double-anonymous treatment double antenna
double-antennas double antibody method double aperture core double aperture lens double appoggiatura
double approach-avoidance conflict double approach conflict double aprons double arc furnace double-arch firing
double-arch hammer double arm double armature double armature cable double-armature DC motor
double-armature generator double-armature motor double armature motor double-armature relay double armed lever
double-arm interferometer double arm kneading mixer double-arm relay double-arm spectrometer double arm spectrometer
double-arm tower double-arm-type suspension double arrow double astrograph double asymmetrical beam
double attack system Double auction double auction Double auction asset markets Double auction experiments
Double auction institution Double auction pricemaking mechanism Double augmented interval double augmented six-four-three chord double axes type transit
double axle bogie double azimuthal map projection double back substitution double backward felge elements double-balanced mixer
double balanced modulator double-balanced modulator double-balanced relay double-balancing bridge double ball bar
double banked boat double-banked frigate double banking double banking width limit double bank method
double-bank switch double bar double bar and yoke method double bar link double barre {Fr.}
double barrel carburetor double-barreled capstan double-barreled question double barreled rifle double barrel pump
double base cal. 7.62 propellant double-base diode double base diode double-based propellant double-base junction transistor
double-base method double base method double base powder double-base powder propellant double-base propellant
double base propellant double-base solid double bass double-bass double-bass clarinet
double bassoon double bass sackbut double-bass saxhorn double-bass trombone double-bass tuba
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