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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。

effective acidity effective address effective administration effective age effective alkalinity
effective annual rate (EAR) effective annual yield (EAY) effective antenna height effective antenna length effective aperture
effective aperture effective aperture effective aperture of an objective effective area effective area
effective area effective atmospheric transmission effective atomic weight effective bandwidth effective blockade
effective boresight area effective boresight area--effective boresight area (of a steerable satellite beam) effective boresight area (of a steerable satellite beam) effective buying power effective carriage weight
effective cause effective charge effective chimney height effective circulation effective circumference
effective coaching technique effective coefficient effective coil number effective communication effective communication
effective competition effective concentration effective conductivity effective control effective crack length
effective crack size effective cross-section effective cross-section effective cross-section effective current
effective data transfer rate effective date effective date effective date effective dating
effective debt effective demand effective demand effective demand effective demand
effective demand effective depth of hardening effective depth of water effective diameter effective distance
effective distance effective divisor effective domain effective dominion effective duration
effective duration effective duration effective efficiency effective environmental temperature effective exchange rate
effective exchange rate effective excitation force effective executive effective exposure effective exposure time
effective face effective facsimile band effective feed in motion effective fertility effective fertility
effective field intensity effective floorage effective focal length effective force effective form of inference
effective frequency effective frequency effective gross income (EGI) effective half time effective head
effective head effective heat price effective impedance effective impedance effective implement
effective inductance effective ingredient effective input noise temperature effective insulation ratio effective interest method
effective interest rate effective interest rate effective interest rate effective interest rate effective interest rate
effective isotropically radiated power effective isotropically radiated power (EIRP) effective kill radius effective labour effective launcher line
effective length of station track effective line width effective line width effective load effective load-carrying capacity of generating unit
effectively solvable effective market access effective mass effective mass effective mean brake pressure
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