强增益耦合 DFB 雷射

乔布斯传第15期:上学(3)

There Paul Jobs could tinker with cars and his son with electronics. 在车库里，保罗乔布斯可以修汽车，而他儿子可以玩他的电子设备。 Its other significant attribute was that it was just over the line inside what was then th

发表于:2018-12-26 / 阅读(33) / 评论(0)

乔布斯传

美国英语听力80篇3 Lesson58

[00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00:18.39]Experts say the new clock is so exact that it will neither gain nor lose so much as one secon

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美国英语听力80篇

VOA慢速英语2010年-EXPLORATIONS - After 50 Years, Lasers

STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the

发表于:2019-01-12 / 阅读(49) / 评论(0)

2010年VOA慢速英语(九)月

美国国家公共电台 NPR Growers Are Beaming Over The Success Of Lasers To Stave Off Thieving Birds

LULU GARCIA-NAVARRO, HOST: Forget about scarecrows. Some farmers are using laser beams to shoot thieving birds from their fields. From the berry fields of Oregon, Tom Banse of the Northwest News Network brings us this report. TOM BANSE: Blueberry and

发表于:2019-01-17 / 阅读(35) / 评论(0)

2018年NPR美国国家公共电台8月

U.S. strongly condemns attack on Maldivian journalists

COLOMBO, Feb. 24 ((Xinhua) -- The United States on Sunday strongly condemned the attacks on Maldivian media personnel after three journalists were attacked in capital Male on Friday, officials said. The U.S. Embassy in Colombo, in a statement said th

发表于:2019-02-08 / 阅读(115) / 评论(0)

英语新闻

Robin Dutt joins DFB as sporting director

BERLIN, July 25 (Xinhua) -- Robin Dutt has joined German Football Association (DFB) as sporting director on a four-year contract, the DFB announced at an official press conference on Wednesday. The 47-year-old Dutt is the successor of Matthias Sammer

发表于:2019-02-18 / 阅读(46) / 评论(0)

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学英语单词

a basket

acrobatholithic

allowable sample size

amount to be written as depreciation