[电] 等幅波发射

Transmission

9) The number of violent acts on televisions in the past years __ has increased __ (increase) from about 19 to 27 per hour. (15A 2004 上 ) 10) Your mind _ will keep ___ (keep) up with your reading sp

发表于:2018-12-01 / 阅读(126) / 评论(0)

自考英语（一）78讲

电信专业英英词典F-2

Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so

发表于:2019-01-03 / 阅读(68) / 评论(0)

电信英语

2017年CRI China's major ultra-high voltage transmission lines in smooth operation

China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co

发表于:2019-01-19 / 阅读(102) / 评论(0)

2017CRI中国国际广播电台

PBS高端访谈:关于南佛罗里达的寨卡恐慌

HARI SREENIVASAN: The U.S. Food and Drug Administration today asked blood centers in two in Florida counties to suspend blood donations until each unit can be screened for the Zika virus. This comes as state health officials investigate four non-trav

发表于:2019-01-27 / 阅读(51) / 评论(0)

PBS访谈健康系列

“世界艾滋病日”话抗艾滋

每年的12月1日是世界艾滋病日，今年中国的宣传主题是合力抗艾，共担责任，共享未来。请看相关报道： Six out of every 10,000 people in China may be infected with HIV/AIDS, according to official figures revealed

发表于:2019-02-11 / 阅读(34) / 评论(0)

英语口语

环球英语 — 92：Preventing HIV Transmission from...

Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice

发表于:2019-02-14 / 阅读(79) / 评论(0)

环球英语 Spotlight

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be a very close approximation to

becket line