“active device”的概念、定义、习题解题方法及翻译-物理辞典

单词	active device
释义	active device 1 An electronic component, such as a transistor, that is capable of amplification. 2 An artificial satellite that receives information and retransmits it after amplification. 3 A radar device that emits microwave radiation and provides information about a distant body by receiving a reflection of this radiation. Compare passive device.
随便看	ground state ground wave group theory gun metal GUT GWS model gyrocompass gyromagnetic ratio gyroscope habit hadron Hahn, Otto half cell half-life half-thickness half-wave plate half-wave rectifier half-width Hall effect Halley's comet Halley, Edmund halo Hamiltonian hard ferromagnetic materials hard radiation

物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。