It starts with a blip, a beep, a noise, a pattern, a signal. It could be anything - ink on paper, machine data, or even the words flowing through your minds right now. Signal generators play an important role in testing devices we use every day. The

发表于:2018-12-11 / 阅读(50) / 评论(0) 分类 英语解说豆知识2011年

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(70) / 评论(0) 分类 电信英语

Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t

发表于:2019-01-12 / 阅读(73) / 评论(0) 分类 2015年VOA慢速英语(七)月

RAY SUAREZ, HOST: After Harvey and Irma, the hurricane season wasn't over. Hurricane Maria made landfall on Puerto Rico as a massive Category 4 storm. Months later, the power supply is still spotty, and thousands of homes still rely on generators. Da

发表于:2019-01-16 / 阅读(66) / 评论(0) 分类 2017年NPR美国国家公共电台12月

今天我们要学的词是in sync。 In sync, 意思是同步的,协调的。 The figure skating pair were totally in sync, 这对花样滑冰双人组合的动作完全同步。 I voted for the candidate whose values were in sync with my own, 我投

发表于:2019-02-07 / 阅读(44) / 评论(0) 分类 英语每日一词

今天我们要学的词是lip sync。Lip sync 是lip synchronization的简称,意思是对口型,假唱。Pop singer Beyonce is alleged to have lip synced the national anthem at President Obama's second inauguration. 流行歌手碧昂丝被指在

发表于:2019-02-18 / 阅读(70) / 评论(0) 分类 英语单词荟萃