蒸气状喷气孔

VOA常速英语2016--治理全球气候取得重大进展

In less than one year, the global community has made tremendous progress in addressing the numerous issues that negatively affect our climate. Last December, nearly 200 countries concluded negotiations of the Paris Agreement, which aims to limit the

发表于:2018-12-08 / 阅读(104) / 评论(0)

VOA标准英语2016年(十二月)

Personal Technology Trends of 2015

AS IT IS 2015-12-31 Personal Technology Trends of 2015 Technology related to the Internet continued to speed ahead in 2015. With so many products and apps, heres what we thought were the hottest trends. Periscope broadcasts around the world Twitter b

发表于:2018-12-16 / 阅读(37) / 评论(0)

2016年VOA慢速英语(一)月

生活大爆炸第三季第二十集_1

靠我的维萨卡被撤了 Oh,damn,they canceled my Visa. 哦也新的万事达卡 Oh,yay,a new MasterCard! 干嘛 What? 我本来想拿信件 I was going to get my mail. 拿啊 Okay. 难道你想通过心灵感应来拿吗 Are... are you hoping t

发表于:2019-01-01 / 阅读(28) / 评论(0)

生活大爆炸第三季

电信专业英英词典T-2

Terrestrial Microwave Radio Terrestrial microwave radio is a transmission systems consisting of at least two radio transmitter/receivers (transceivers) connected to high gain antennas (directional ant

发表于:2019-01-03 / 阅读(31) / 评论(0)

电信英语

电信专业英英词典F-4

Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor

发表于:2019-01-03 / 阅读(42) / 评论(0)

电信英语

全球钟表今日将加“一闰秒”

Airlines, trading floors and technology companies are braced for chaos today as world timekeepers prepare to add a leap second to global clocks. 世界钟表今天要给全球的钟表加一闰秒，因此航班、交易所、科技公司正在为即将

发表于:2019-01-16 / 阅读(71) / 评论(0)

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acif

all this time

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