发电机负序电流保护

SSS 2008-12-31

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(109) / 评论(0)

Scientific American(十二)月

数学英语 25 What is the Fibonacci Sequence

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(116) / 评论(0)

数学英语

2017年CRI China Oil and Gas Pipeline Project to Power Myanmar Economy after Full Operation

British Prime Minister Theresa May in the cabinet office signs the official letter to European Council President Donald Tusk invoking Article 50 and the United Kingdom's intention to leave the EU. [Photo: Reuters] The UK has pulled the trigger for Br

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2017CRI中国国际广播电台

SSS 2011-10-21

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

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Scientific American(十)月

2014年ESL之商务英语 18 Describing Order and Sequence

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

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2014年ESL之商务英语

英语听书《海底两万里》第513期第32章海湾暖流(4)

Leaving Old Bahama Channel, which is fourteen leagues wide by 350 meters deep, the Gulf Stream moves at the rate of eight kilometers per hour. 从巴哈马运河出来时，海湾暖流在14里宽、350米深的范围内以每小时8公里的速度流动

发表于:2018-12-31 / 阅读(82) / 评论(0)

《海底两万里》中英双语有声读物

SSS 2008-08-07

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

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Scientific American(八)月

Lesson 76 - BLAME GAME / NEGATIVE CAMPAIGNING

blame game negative campaigning 美国选民每四年不仅要选举一位总统，而且还要选举四百三十五名国会议员、至少三十三名参议员以及在州一级和基层的许多官员

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美国习惯用语

王强口语第一册 Short conversation 012

Lesson Twelve Short Conversations Read aloud the concersation two times, and then listen to the tape without looking at the text. The Circuit Box Assignment Mr. Rathbone: Well, how are you doing? Eugene: Fine, sir. The computer section is coming alon

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王强口语第一册

音乐咖啡厅:Negative Things宝贝不要老是只看到《我的不好》

英文歌词 Listen baby I wonder why sometimes we fall apart oh yeah Together we are so wonderfull yeah baby And every single day i pray, that really things shouldnt never be this way Im only trynna be a better man Why then do you see all the negative

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音乐咖啡厅

词义解析－『negative number』『nanosecond』

negative number (does not exist) 负数 ● His fashion IQ is so low, it's a negative number. 他对时装的智商是那么低，可说是负数。（他对时装的鉴赏力根本不存在。） ●

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英文名句短语

英语四级作文范文：保护环境

作文题目：假设你是李明，你需要针对节假日产生的环境问题给政府写一封信 A Letter about Environmental Problems During Official Holidays 参考范文： To Whom It May Concern, I am writing to express my opinion about th

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四六级写作指导

CCTV9英语新闻：电力恢复到76%的家庭，道路重新开放

Power has been restored to nearly eighty percent of households in the epicenter of the quake. The quake cut off electricity in ten townships in Ludian County. By noon Tuesday, the Yunnan provincial electricity company have brought three 35-kilovolt t

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CCTV9英语新闻2014年08月

快乐工作的9种方法

These are the factors that will help you find happiness at work. Choose to Be Happy at Work: Happiness is largely a choice. I can hear many of you arguing with me, but it's true. You can choose to be happy at work. Sound simple? Yes. But, simplicity

发表于:2019-02-09 / 阅读(141) / 评论(0)

英语小短文

留美老师带你每日说英文第939期:小岛上的各种设施

On the island is a school that runs up to the 10th grade, two shops, and one restaurant.There is no steady supply of water and a sole generator that only runs for five hours per day. 在这座岛上有一所可以读到十年级的学校、两间商店

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留美老师带你每日说英文

Lesson 9-2:Dates 日期

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

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英语听力练习题

电机行业常用的中英文对照

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英文语法词汇

懂得感恩-不会躲避消极的东西

Be Grateful懂得感恩Don't avoid the negative. 不会躲避消极的东西。 Expressing gratitude may generate more optimism, but thankful people also don't shy away from thenegative. 表达感恩会产生更多乐观情绪，但感恩的人也不会

发表于:2019-02-23 / 阅读(69) / 评论(0)

英语听力广播—Listening

CCTV9英语新闻：NPC deputies debate gov't plans, budget

NPC deputies continued to review this years government work report budget proposal on Tuesday. The deputies approved many of the proposals for development and aired views on how to carry on innovations. Legislators are continuing their studies of the

发表于:2019-02-25 / 阅读(101) / 评论(0)

cctv9英语新闻2016年

欧美人文风情第375篇: 全世界最拥挤的岛屿

A two-hour boat ride off the coast of Colombia is an island, the most densely-populated island on Earth. 从哥伦比亚海岸搭船两个小时会抵达一座小岛，这是地球上人口最稠密的岛屿。 Santa Cruz del Islote consists of more

发表于:2019-03-03 / 阅读(178) / 评论(0)

欧美人文风情

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学英语单词

Alteidet

amended subject

as wide as the poles asunder