单词:amplitude modulation VTF
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Iknewaguywhoplayedhisradioonlyinthemorning. Whensomeoneaskedhimwhy , hereplied,ThisisanAMradio. Notes: 1.Iknewaguywhoplayedhisradioonlyinthemorning. 我认识一个人,他只在早上收听广播。 2.Whensomeoneaskedhimwhy , hereplied,Thisisan
bewail vt. 因而悲叹,哀悼,痛哭 【例】bewail for sb 's death 哀悼某人的逝世 【记】be状态,ail小病-得病了-痛哭 【参】wail(n 悲叹,哀号;vt 悲痛) He was bewailing his failure in the examination. 他为考
Abort - To stop doing something. Particularly, to exit a software program or stop receiving or sending a message. Access - (1) (verb) to get use of something, or (2) (noun) refers to a particular leve
APCM Adaptive Pulse Code Modulation 自适应脉码调制 APCM是在PCM基础上,采用量化自适应,使均方量化误差最小的一种调制方法。 APD Avalanche Photo Diode 雪崩光电二极
President Obama's spending the last two days of his Asia tour in Japan, shoring up trade support at a regional summit after suffering a few setbacks. Earlier at the G20 meeting in Seoul, the president was unable to secure a free trade pact with South
(SOUNDBITE OF ARCHIVED RECORDING) YEVGENY YEVTUSHENKO: (Speaking Russian). ROBERT SIEGEL, HOST: Yevgeny Yevtushenko, the Russian poet who was known for speaking out against anti-Semitism and the Soviet Union. He died over the weekend at age 83. NPR's