单词:amplitude-modulation broadcasting
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丹尼尔玩得非常高兴,他想要和妈妈姐姐玩捉迷藏的游戏。但是玩着玩着,好像又出事了,这次是怎么了呢? Listen Read Learn Shirley: Excuse me. I seem to have lost my son. Announcer: Take it easy, madam. And speak slowly. May I have your name first? Shirley:
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
在这个节目中我们将学到: 经典语境背诵 Mom:I dont like taking Daniel out. He is just too naughty and if you are not careful enough he would keep on making troubles. One time in the Amusement Park he got lost and we spent the whole
On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera
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