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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。

handgrip hand grips hand guard hand guard assembly hand guard pin
hand guard ring hand hackle hand hammer hand hammer drill Handharmonika {Ger.}
hand hay cutter hand-held handheld hand-held 3D scanning handheld/air-leg rock drill
hand-held apparatus hand-held appliance hand held calculator hand-held calculator handheld camera
hand-held camera hand-held coaxial hand held computer handheld computer hand held console
hand-held data hand-held data-processing device handheld device hand-held device handheld devices
handheld device transport protocol handheld electric beveller hand held electric beveller hand-held electric device handheld electric device
handheld electric rock drill hand held electric tool hand-held electronic apparatus handheld electronic device hand-held equipment
hand held equipment handheld equipment hand held garden blower hand held garden blower/vacuum hand held garden vacuum
hand-held hairdryer handheld input device handheld internal combustion rock drill hand-held lcd game machine handheld lighting
hand-held machine hand-held meter handheld PC{=HPC} hand-held personal computer hand-held polishing device
hand-held power hand-held power tool handheld rock drill handheld rock drill with dust collector handhelds
hand held scanner handheld shotgun mic handheld spotlight hand-held staple gun hand-held surface-to-air missiles
hand held switch hand-held system hand-held tactical radar (HHTR) handheld tactical radar{=HHTR} handheld tamper
hand held type handheld underwater rock drill hand-held welder handheld wireless communication hand-held wireless communication
hand-held wireless communication device hand hoist hand hold handhold hand-hold
hand holding handhole hand hole hand hole/man hole Hand Hole/Man Hole
hand hole plate Hand holes hand hook hand horn hand hydraulic
handicap Handicap handicapped child handicapped environment{=H/C} HANDICAPPED PERSON
handicapped person carrier Handicapped Ramp handicapped ramp handicap principle handicraft school
handicraft spasm Handicraft system Handies Pk. handie-talkie handie talkie
hand incendiary grenade hand inertial starter handing bolts handing clamp handing compass
handing theodolite handing time handing time, average handing tool handing traverse
Hand injury; Injury of hand hand insertion hand instrument handite handiwork
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