“negative effective mass amplifiers and generators”的概念、定义、翻译、参考文献-科学参考

单词	negative effective mass amplifiers and generators
释义	negative effective mass amplifiers and generators [`neg·ǝd·iv i¦fek·tiv ¦mas `am·plǝ´fī·ǝrz ǝn `jen·ǝ´rād·ǝrz] ^ELECTRONICS Class of solid-state devices for broad-band amplification and generation of electrical waves in the microwave region; these devices use the property of the effective masses of charge carriers in semiconductors becoming negative with sufficiently high kinetic energies.
随便看	forelimb forellenstein Forel scale forensic chemistry forensic engineering forensic medicine forensic physics forensic psychiatry forensic science forepeak forepeak bulkhead forepoling fore pump forerunner foreset foreset bed foreshaft sinking foreshock foreshore foresight forest forestaff forestay forest climate forest conservation

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