非饱和型逻辑电路

Earth and Sky:Black and White　黑与白

Black and White黑与白 Sometimes you hear it said that white is a combination of all the colors of the rainbow -- and that black is the absence of color. Find out more about whether black and white are colors -- today on Earth and Sky. JB: This is Ear

发表于:2018-12-07 / 阅读(165) / 评论(0)

(科普英语)Earth and Sky

数学英语 27 What is the Mode?

by Jason Marshall In recent articles, weve talked about two methods of calculating average values, the mean and the median, and weve talked about some everyday uses for them such as how to use median averaging to get better photos. But thats not all

发表于:2018-12-07 / 阅读(203) / 评论(0)

数学英语

【趣谈英语】飞行模式省电-Airplane Mode Saves Your Battery

Pre-Listening Vocabulary switch: move to a different position Wi-Fi: a wireless network that provides Internet connection Bluetooth: a trademarked name for a short-range wireless connection for computerized devices GPS: global positioning system, a s

发表于:2018-12-28 / 阅读(154) / 评论(0)

趣谈英语

America's Handguns are Controversial,

By Jeffrey Young Dunblane, Scotland. March 13, 1996. A man walks into a school with a number of handguns and opens fire. Sixteen kindergarten children and a teacher are slaughtered. Britain reacts wit

发表于:2019-01-03 / 阅读(144) / 评论(0)

VOA2004（下）--时事新闻

小米公司大力拓展线下销售高端小米6

Chinese smartphone vendor Xiaomi Corp, best-known for its online sales strategy, said on Wednesday that it aims to generate 70 billion yuan (10.2 billion dollars) in revenue from its stores in the next five years. 中国智能手机供应商小米公司

发表于:2019-01-03 / 阅读(159) / 评论(0)

阅读空间

VOA标准英语2012--Maryland Couple Makes Beautiful Objects From Recycled Circuit Board

Maryland Couple Makes Beautiful Objects From Recycled Circuit Board There is no shortage of recycled material for Debby Arem's creations. She uses everything, from pieces of scrap metal and electronic components, to computer circuit boards and chips.

发表于:2019-01-13 / 阅读(196) / 评论(0)

VOA标准英语2012年(三月)

美国习惯用语:355 the rubber chicken circuit

今天我们要讲几个在美国总统大选的竞选阶段常会用到的习惯用语。美国总统大选每四年举行一次。在大选年的前一年,准备竞争本党总统候选人提名的人士就已经在各州积极展开竞选活动了，

发表于:2019-01-16 / 阅读(219) / 评论(0)

美国习惯用语

苹果公司持续火热 iPhone销量创新高

The technology giant sold 47.5 million iPhones in the quarter to 27 June, up 35% on a year ago, with Mac computer sales up 9% to 4.8 million. The performance resulted in what chief executive Tim Cook called an amazing quarter.Profits rose by 38% to $

发表于:2019-01-17 / 阅读(137) / 评论(0)

实用英语

China Mobile Game Booming

Gaming is no longer confined to a desktop computer, with many enthusiasts now using tablets and smartphones to play while on the move. In China, the mobile games market is booming. Over the next few years, experts predict the industry will be worth b

发表于:2019-01-19 / 阅读(231) / 评论(0)

世界各地新闻集锦

Ukraine's Elena Svitilona wins ITF circuit Tunisian Open

TUNIS, March 24 (Xinhua) -- Elena Svitilona of Ukraine won the la Marsa Open after beating Bulgaria's Isabelle Shinikova 7-6, 7-6 in the final on Saturday in the north of the capital. On Friday, Svitilona easily defeated Tunisian hopeful Ons Jabeur,

发表于:2019-02-06 / 阅读(200) / 评论(0)

英语新闻

三星发布智能手表抢占“可穿戴技术”时代

We've all been there, looked at our watches and panicked, just like in Alice in Wonderland. -It's just a rabbit with a waistcoat -- and a watch! -Oh, my dear and whiskers, I'm late! I'm late! I'm late! Now it seems, time is also running out for Smart

发表于:2019-02-07 / 阅读(162) / 评论(0)

英语新闻

外媒看中国：华为科技引爆全球热卖

Chinese tech giant Huawei on Wednesday said its global smartphone sales jumped by 39% in the first half of the year. 中国科技巨头华为周三称，其全球智能手机销售量今年上半年激增，增幅达39%。 It comes after the world's

发表于:2019-02-08 / 阅读(139) / 评论(0)

阅读空间

美国俚语:飞行模式 airplane mode

如果你要暂时逃离这个世界，与世隔绝，暂时不想和熟人接触，你可能会不接电话，不带手机，不上社交网站。通常是因为和恋人分手或者是工作不顺。今天要介绍的俚语是airplane mode，用来形

发表于:2019-02-09 / 阅读(171) / 评论(0)

美国俚语

写电子邮件时尽量避免使用的五大字体

Picking the right font for your email,presentation,or friendly notice stuck on the office wall can be head-aching。在发电子邮件，做演讲，甚至在写个贴在办公室墙上的友情小提醒时，都需要选择一种字体。如何选择

发表于:2019-02-09 / 阅读(132) / 评论(0)

求职英语

NASA发布照片：冥王星你为什么心碎？

During a news briefing at the Johns Hopkins Applied Physics Laboratory on Tuesday, NASA scientists revealed what they've gleaned from the latest photos of Pluto. The New Horizons spacecraft was set to make its closest approach of the dwarf planet on

发表于:2019-02-11 / 阅读(185) / 评论(0)

英语新闻

经济学人186:新型晶体管机械优势

Science and technology 科学技术 New transistors 新型晶体管 Mechanical advantage 机械优势 Two new types of transistor may lead to simpler, more efficient computers 两种新型晶体管或许会导致更加便捷高效计算机的出现 W

发表于:2019-02-16 / 阅读(157) / 评论(0)

经济学人科技系列

BBC：苹果公司持续火热 iPhone销量创新高

发表于:2019-02-17 / 阅读(146) / 评论(0)

英语新闻

彩色世界杯？352名球员，只有12名穿黑色战靴

Fancy footwear in an array of dazzling colours has been the order of the day. What are the most popular choices? And how many players have dared to wear old-fashioned black? It used to be that coloured boots were the sole preserve of one or two flash

发表于:2019-02-17 / 阅读(119) / 评论(0)

阅读空间

电机行业常用的中英文对照

发表于:2019-02-18 / 阅读(244) / 评论(0)

英文语法词汇

万物简史第342期:孤独的行星(7)

His idea of a vacation was to travel to Cornwall to study hookworm in miners. 去康沃尔研究矿工们的钩虫病算是他的假日。 Aldous Huxley, the novelist grandson of T. H. Huxley, who lived with the Haldanes for a time, T.H.赫胥黎的孙

发表于:2019-02-25 / 阅读(107) / 评论(0)

万物简史

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