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科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

propionylcholine propionyl CoA carboxylase propionyl group propionylholothin propionyl iodide
propionyloxy propionyl salicylic acid propiopyrrothin Prop-Job proplasm
proplasmacyte proplastid proplatinum prop leg propleural bristles
propleuron prop mainstay propodeon propodeum propodite
propodium propodosoma propodus propolis propolis oral cavity membrance
proportion proportionable proportional proportional action proportional action factor
proportional allocation of sample size proportional amplifier proportional analysis approach proportional area proportional band
proportional band potentiometer proportional burner proportional change proportional charges proportional compasses
proportional component proportional constant proportional control proportional control action proportional control factor
proportional controller proportional controlling means proportional control valve proportional cost proportional counter
proportional counter tube proportional data proportional detector proportional distribution proportional divider
proportional elastic limit proportional error proportional expenses proportional feedback proportional flow control unit
proportional gain proportional gas meter proportional governor proportional integral controller proportional integral derivative controller
proportional intensification proportional ionization chamber proportionality proportionality coefficient proportionality constant
proportionality factor proportionality law proportionality of production process proportional law proportional limit
proportional limit of shear proportional liquid sampler proportional navigation course proportional navigation laser seeker proportional numbers
proportional part proportional parts proportional personnel allocation method proportional-plus-derivative action proportional-plus-derivative control
proportional plus derivative controller proportional-plus-floating action proportional-plus-floating control proportional-plus-integral control proportional-plus-integral control action
proportional position action type servomotor proportional power unit proportional pressure reducing valve proportional pump proportional quantities
proportional range proportional rate of tax proportional reduction proportional region proportional regulator
proportional relation proportional reserve system proportional reset controller proportional sample proportional sampler
proportional sampling proportional sampling device proportional sam pling device proportional scale proportional selection
proportional share-cropping of net income proportional space proportional spacing proportional spacing machine (PSM) proportional spacing mechanism
proportional stamp tax proportional subclass numbers proportional taxation proportional tax rate proportional time-limit distance relay
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