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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。

effective sectional area effective segregation effective selectivity effective selectivity{=ES} effective sensitive range
effective series duration effective set management effective shot depth effective shunt impedance effective sifting area
effective signal effective signal duration effective signal radiation effective simple process factor effective size
effective slip effective slip ratio effective snow melt effective soil depth effective solar exposure
effective solar heat gain effective solubility effective sonar range effective sortie effective sound pressure
effective sound pressure {=prms} effective source area effective span effective span length effective specific gravity
effective specific surface area effective speed effective speed of transmission effective spread effective stack height
effective standard deviation Effective Start Date Effective Start Date of Provider Role effective status effective status of a marked section
effective stiffness effective stop effective storage effective storage capacity effective strain
effective strain-optic constant effective strength effective strength of enemy forces effective stress effective stress concentration factor
effective stress method effective stress parameter effective striking distance effective stroke effective stylus tip diameter
effective stylus tip size effective suction effective supply effective surface effective surface area
effective susceptibility effective switching field effective synchronous reactance effective target area effective target length
effective tax rate Effective tax rate effective tax rates effective tea-spreading area effective temperature
effective temperature index effective temperature range effective tension effective terrestrial radiation Effective Test/Service End Date/Time
Effective Test/Service Start Date/Time effective therblig effective thermal conductivity effective thermal cross section effective thermal effeciency
effective thermal efficiency effective thermal efficienecy effective thickness effective thread effective throat thickness
effective throat thickness effective thrust effective time effective time constant effective time duration
effective topical effective torque [effective] touch voltage effective track width effective tractive effort
effective tractive force effective tractive power effective transfer rate Effective transformation effective translational lift
effective transmission effective transmission equivalent effective transmission rate effective transmission rating effective transmission speed
effective transmit power effective trapping area Effective tunnelling width effective turn effective turns per phase
effective unit effective user ID effective utilization effective utilization rate of direct tea-infusing for five minutes effective valuation
effective value effective velocity effective virtual address effective virtual aperture effective visibility
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