“burning glass”的概念、定义、翻译、参考文献-科学参考

单词	burning glass
释义	burning glass [`bǝr·niŋ ´glas] ^OPTICS A converging lens used to produce intense heat by converging the rays of the sun on a small area.
随便看	feedback admittance feedback amplifier feedback branch feedback circuit feedback compensation feedback control loop feedback control signal feedback control system feedback factor feedback inhibition feedback loop feedback oscillator feedback regulator feedback transfer function feedback winding feed chute feed-control valve feeder feeder beach feeder-breaker feeder cable feeder canal feeder conveyor feeder current feeder distribution center

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