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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。

natroalunite natrocalcite natrocalcite natrochalcite natrojarosite
natrolite natrometer natron natron natsiatopsis
natsiatum NATSOT natsudaidai natto natto
natto Nat Turner Nat Turner Insurrection Natufian Natufian culture
natural natural natural abundance natural accretion natural accretion
natural active immunity natural activity natural aeration natural afforestation natural afforestation
natural ageing natural agent natural aging natural agriculture natural amalgam
natural angle of slope natural angular frequency natural antenna frequency natural antibody natural antibody
natural antioxidant natural approach natural area natural area natural area
natural asphalt natural attenuation natural attenuation quantity of noise natural attitude natural attraction
natural attraction natural background radiation natural background radiation natural basis natural basis of human history
natural beauty natural beauty natural beauty natural bed natural bed
natural biodegradable polymer natural biotic community natural biotic reserve natural bituminized sandstone natural board
natural bonded sand natural-born citizen natural-born citizen natural boundary condition natural boundary condition
natural broadening natural brother natural brown rice natural business year natural calamity
natural calendar natural capital natural carotene natural catastrophe natural cause
natural cement natural cement natural change natural channel natural channel
natural characteristic natural cheese natural child natural child natural child
natural childbirth natural cinematography natural circulation natural circulation natural circulation
natural circulation evaporator natural class natural classification natural classification natural classification system
natural coke natural cold-water system natural colloid natural compensation natural compensator
natural complex natural concept natural condition natural condition natural conditioned reflex
natural conditioning natural condition test natural conjugate prior natural conservation area natural constraint
natural containment natural control natural convection natural convection natural convection
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