连续传感和连续测量的控制系统

SSS 2009-09-25

Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire

发表于:2018-12-24 / 阅读(193) / 评论(0)

Scientific American(九)月

爆笑英语口语第128期:读模仿版

Language Points A study suggests that people who lose their virginity after the age of 19 will attain a higher level of education and make more money. The word slut was originally used to describe a woman who didn't keep her room clean. Every second,

发表于:2018-12-26 / 阅读(129) / 评论(0)

爆笑英语口语

赖世雄英语新闻听力通第44期:天摇地动！

(Taipei, June 14, CNA)At 9:17 PM last night,a massive earthquake measuring 6.3 on the Richter scale rocked Taiwan. （中央社台北六月十四日电）昨天晚上九点十七分的时候，台湾地区发生震度达李氏6.3级的大地震。 It

发表于:2018-12-28 / 阅读(179) / 评论(0)

赖世雄英语新闻听力通

英语作文四、六级考试万能作文 21Band4June1996

[00:00.00]Global Shortage of Fresh Wat [00:03.53]Fresh water seems to be inexhaustible.Every day,as soon as the tap is turned on,water will run endlessl [00:13.40]Besides,we can get fresh water in rivers and well [00:17.48]So,some people don't treasu

发表于:2018-12-30 / 阅读(131) / 评论(0)

英语六级听力练习集锦

爱情

Among the more curious questions that can be asked about love is this,when one feels romantic love, does he feel it in breaks with interruptions or changes, or does he feel it continuously without int

发表于:2018-12-31 / 阅读(422) / 评论(0)

有声杂志阅读

60秒科学:Antennae Key to Butterfly Navigation

Antennae Key to Butterfly Navigation A study in the journal Science shows that monarch butterflies' sun-related directional sensing is governed by antennae, not the brain. Cynthia Graber reports Every year, millions of monarch butterflies fly thousan

发表于:2019-01-02 / 阅读(203) / 评论(0)

60秒科学

Navigation, 3-D Printing in Sensing Technology Lead to New Apps

Navigation, 3-D Printing in Sensing Technology Lead to New Apps LOS ANGELES 3-D printing, high-speed navigation and a magic mirror are some of the technologies that have come from new computer chips with advanced spatial sensing. Technology startups

发表于:2019-01-14 / 阅读(166) / 评论(0)

VOA标准英语2015年(九月)

China Releases HD Satellite Images

On June 6, China published the first batch of photos captured by Gaofen-1, China's first high-definition earth observation satellite. Those pictures will provide valuable information of natural condition and disaster prevention. Li Dong has the detai

发表于:2019-01-19 / 阅读(173) / 评论(0)

世界各地新闻集锦

2015-07-01 BBC:巨石阵行动:被埋藏的秘密-3

The most ambitious of these studies is the Stonehenge Hidden Landscapes Project, led by experts from Birmingham University And Ludwig Boltzmann Institute in Austria.-As people walk over the Stonehenge landscape, they are aware of Stonehenge. They may

发表于:2019-01-23 / 阅读(191) / 评论(0)

探索与发现2015年

60秒科学:Mice Sensing Leptin Stave Off Diabetes

Leptin is a hormone made by fat cells that tells you when youre full. If you didnt have leptinand some people dontyoud eat too way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kids bo

发表于:2019-01-30 / 阅读(197) / 评论(0)

60秒科学

匈牙利地震造成房屋损坏

匈牙利地震造成房屋损坏 BUDAPEST, April 23 (Xinhua) -- An earthquake measuring 4.8 magnitude on the Richter scale occurring shortly after midnight on Tuesday damaged several hundred homes, mainly in Heves County, northeast of Budapest, but

发表于:2019-01-31 / 阅读(180) / 评论(0)

英语新闻

第126期:怎么一提到火锅，我的英语听力都变好了

火锅人人都喜欢，那该怎么说呢？ Recording 1 But What is Hotpot? Hotpot is basically exactly what it sounds like. A Hot Pot! Or basically you order a bunch of raw meats and vegetables and you boil them in a hot broth. Hotpot is a perfect

发表于:2019-02-02 / 阅读(180) / 评论(0)

卡卡课堂早餐英语

CCTV9英语新闻：试图限制北京的雾霾

The Chinese government says it is trying to cut air pollution in Beijing ahead of the APEC summit of world leaders, which opens November 8. The Ministry of Environmental Protection has warned that central and southern parts of the Beijing municipalit

发表于:2019-02-05 / 阅读(252) / 评论(0)

CCTV9英语新闻2014年11月

雅思阅读词汇：探索太空生命(5)

plateau n. （上升后的）稳定水平（或时期、状态） plug n.塞子 pockmarked adj.有麻点的 polar adj.两极的 pole n.极 porous adj.多孔渗水的 portable adj.轻便的 pose v.形成

发表于:2019-02-06 / 阅读(209) / 评论(0)

英文语法词汇

NE China to set up two drone bases for marine surveillance

NE China to set up two drone bases for marine surveillance SHENYANG, Oct. 20 (Xinhua) -- Two drone bases will be established in northeast China's Liaoning Province for real time surveillance on coastal waters, local authorities said Saturday. One of

发表于:2019-02-08 / 阅读(209) / 评论(0)

英语新闻

成功是什么？一句话定义成功

Have you ever thought why there are very few great people? I think there is probably only one great person out of 10,000 at best, and most probably much less than that. But why? Most people want to be great, right? Why are there only very few of them

发表于:2019-02-17 / 阅读(228) / 评论(0)

英语美文

成功是什么?

发表于:2019-02-18 / 阅读(174) / 评论(0)

英语美文

TED演讲：细菌是怎样交流的(12)

And the final thing is, again just to reiterate that there's this practical part, 最后，只是再一次重申，这个研究的实际应用方面， and so we've made these anti-quorum sensing molecules that are being developed as new kinds of the

发表于:2019-03-04 / 阅读(237) / 评论(0)

TED演讲教育篇

TED演讲：细菌是怎样交流的(6)

Why this is interesting is because in the past decade we have found that this is not just some anomaly of this ridiculous, 这个发现之所以有趣，是因为在过去十年间，我们发现这种现象不只局限在这种古怪的、 glow-in-t

发表于:2019-03-04 / 阅读(257) / 评论(0)

TED演讲教育篇

热门单词：“商业遥感卫星”用英文怎么说？

近日，我国首颗商用遥感卫星成功发射。这颗备受瞩目的星星都具备哪些功能？它的升空具有什么意义？在实现人们飞天梦的同时，它又能为我们的生活带来怎样的便利呢？请看相关报道：

发表于:2019-03-11 / 阅读(240) / 评论(0)

英文语法词汇

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