脉冲断路信号发生器;脉冲切断式信号发生器

考研英语词汇 list13

[00:04.00]flight [00:06.22]n.飞翔，飞行；航班；航程；楼梯的一段 [2]逃跑，溃退 [00:08.44]fling float flock [00:11.62]vt.(用力地)扔,抛,丢 v./n.漂浮,浮动 n.(禽,畜等的)群;大量v.群集,成群 [00:14.81]flood floor [0

发表于:2018-11-30 / 阅读(340) / 评论(0)

考研英语词汇2005

豆知识 2011-07-24&07-30 无线信号发生器的发展史

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(209) / 评论(0)

英语解说豆知识2011年

小学英语深圳双语版六年级上UNIT2

[00:04.30]2 台风 [00:08.59]A/Talk about the photos about the storm. [00:14.12]A/说一下关于暴风雨的图片。 [00:19.64]Typhoon Signal No.8 hoisted [00:23.67]8号台风应该完了吧 [00:27.69]Black Rainstorm Warning [00:31.07]黑色暴雨警告 [00:34.46]a landslide

发表于:2018-12-13 / 阅读(195) / 评论(0)

小学英语深圳双语版六年级

高中英语人教版2000年高一上02

[00:03.08]English around the world [00:06.74]WARMING UP [00:09.51]NANCY:Oh,there you are.Now then,did you have a good flight? [00:15.75]JOE:Sure,we flew all the way direct from Seattle to London. [00:21.42]NANCY:You must be very tired.Did you sleep a

发表于:2018-12-13 / 阅读(730) / 评论(0)

高中英语人教版2000年高一

剑桥雅思九阅读Test4同义词替换

剑九test4 1. Back into Britain/ re-import into Britain2. Reliable/predictable 3. Cut down/reduce 4. Increase income/export earner 5. Power station/power plant 6. In the vicinity of/around/nearby 7. Extraction of seaweed/clean seaweed 8. Result from

发表于:2018-12-18 / 阅读(166) / 评论(0)

雅思英语

大学英语四级词汇 033

fruitful a.多产的；有成效的 frustrate vt.破坏，阻挠；使失败，使泄气 fry v.油煎，油炸 fuel n.燃料；养料 v.(给)加燃料；刺激；推动 fulfil vt.履行(诺言等)；完成(计划等)；达到 fulfill vt.履行(诺言、

发表于:2018-12-30 / 阅读(171) / 评论(0)

大学英语四级词汇拼读版

电信专业英汉词典d1

digital revolution 数字革命 digit 数字 (码位 )，数位 digital economy 数字经济 digital earth 数字地球 digital subsistene 数字化生存 digital museum 数字博物

发表于:2019-01-03 / 阅读(225) / 评论(0)

电信英语

电信专业英英词典D-4

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(246) / 评论(0)

电信英语

怎样用英语解释迟到原因

1. Your watch must be fast. 你的表肯定快了。 2. I fell asleep in the shower. 我早上冲澡的时候睡着了。 3. My father forgot to wake me up. 我爸爸忘记叫我起床了。 4. My left turn signal was out so I had to make all right t

发表于:2019-01-08 / 阅读(166) / 评论(0)

英语日常口语

高中英语人教版高二下11

[00:04.78]Lesson 89 1 Dialogue [00:11.05]STEVE:Hello.Can I speak to Pippa,please? [00:13.27]喂!我可以找彼帕接电话吗? [00:15.49]VOICE:There's no Pippa here.This is 8686087. [00:19.51]这里没有彼帕这个人,这里的号码是8686087. [0

发表于:2019-01-10 / 阅读(331) / 评论(0)

高中英语人教版高二

Bladeless Wind Generator Safe for Birds

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(240) / 评论(0)

2015年VOA慢速英语(七)月

美国国家公共电台 NPR In Puerto Rico, A Generator's Buzz Powers One Singer's Musical Imagination

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(188) / 评论(0)

2017年NPR美国国家公共电台12月

The Grounded Conductor

Tom is applying for a job as a signalman for the local railroad, and is told to meet the inspector at the signal box. The inspector decides to give Tom a pop quiz, asking, What would you do if you realized that two trains were heading towards each ot

发表于:2019-01-26 / 阅读(242) / 评论(0)

趣味英语

PBS高端访谈:饮用水管道是如何同时进行发电的?

JUDY WOODRUFF: Next: the possibilities of getting more energy through water. Humans have long harnessed the power of water to perform work. In modern time, hydroelectricity, generated by the power of water flowing through turbines at the base of dams

发表于:2019-01-27 / 阅读(217) / 评论(0)

PBS访谈环境系列

电信术语(11)

序号中文英文术语解释缩写来源 201 光回损 Optical Return Loss ORL YD/T 1274-2003 202 光信噪比 Optical Signal to Noise Ratio OSNR YD/T 1274-2003 203 光监控通路 Optical Su

发表于:2019-02-01 / 阅读(273) / 评论(0)

电信英语

US, China signal new phase for ties

BEIJING, March 13 (Xinhua) -- Both China and U.S. signaled that the world's two biggest economies should explore a road of new-type relations. The new type of relations between major powers should be based on mutual respect, cooperation and seeking w

发表于:2019-02-03 / 阅读(181) / 评论(0)

英语新闻

Forecasts signal late-week launch of Tiangong-1

BEIJING, Sept. 26 (Xinhuanet) -- Weather forecasts showed that Thursday or Friday might be suitable for launching the Tiangong-1 spacecraft, experts said. The unmanned spacecraft, part of China's first spacecraft rendezvous and docking mission, was s

发表于:2019-02-03 / 阅读(270) / 评论(0)

英语新闻

学个词Learn a Word 第1349期　signal

今天我们要学的词是signal。 Signal, 作为动词，意思是显示。 The number of Americans filing for unemployment benefits for the first time fell to the lowest level in nearly six months, signaling a slight improvement in the job market

发表于:2019-02-05 / 阅读(183) / 评论(0)

英语单词荟萃

新奇：时速160公里的自行车

Now Minneapolis-based inventor Rich Kronfield has created an electric-assist 'Raht Racer' velomobile that he claims can travel at up to 100mph (160km/h). 现在美国明尼阿波利斯的发明家里奇?科伦菲尔德研制了电动拉特赛车（Ra

发表于:2019-02-13 / 阅读(209) / 评论(0)

阅读空间

迟到者常用的各式借口

上班、上学迟到的时候，你会用什么借口向老板或老师解释呢？下面这些句子可能会对你有帮助哦。 1. Your watch must be fast。你的表肯定快了。 2. I fell asleep in the shower。我早上冲澡的时候睡着

发表于:2019-02-17 / 阅读(205) / 评论(0)

实用英语

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学英语单词

bilaterally invariant