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补充: CBR continuous bit rate CCIS common-channel interoffice signaling CCITT CCITT is the International Consultative Committee for Telephone and Telegraph, a consultative committee to the Interna
DSB Direct Satellite Broadcast 直接卫星广播 DSB Double SideBand 双边带 DSBRC Double SideBand Reduced Carrier 双边带减幅载波 DSBSC Double SideBand Suppressed Carrier 双边带抑制载波
By Peter Heinlein United Nations 02 June 2006 The United States is calling for establishment of an international AIDS testing day as a means of controlling the spread of HIV. U.S. First Lady Laura Bus
JIUQUAN, Oct. 26 (Xinhua) -- China will launch the spacecraft Shenzhou-8 in early November at the Jiuquan Satellite Launch Center in northwest deseart area. The unmanned spacecraft is expected to perform China's first space docking with Tiangong-1, o
今天我们要学的词是moratorium。 Moratorium, 是暂停的意思。 A ten-year moratorium on nuclear testing, 就是十年暂停核实验。 Rights group Amnesty International asked India, South Korea and Taiwan to establish a moratorium on th
Protecting the rights of animals has become a big issue in many countries, Chinese law currently requires all cosmetics products to be tested on animals -- meaning some international brands have stayed out of the mainland. But the Chinese Government