正合加性函子

VOA慢速英语20060704a

AGRICULTURE REPORT - Jojoba: Not Your Usual Oilseed CropBy Mario Ritter Broadcast: Mon, 3 Jul 2006 16:00:00 UTC I'm Shep O'Neal with the VOA Special English Agriculture Report. Jojoba plants We have a

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2006年慢速英语（七）月

News & Reports 2010-07-10

Hello and Welcome to News and Reports on China Radio International. In This Edition China and Pakistan conclude a weeklong joint antiterrorism military drill in northwestern China's Ningxia Hui autonomous region. Analysts say the Obama Administration

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2010CRI中国国际广播电台

科学美国人60秒 SSS Pesticide Additive Could Be One Culprit in Bee Deaths

Pesticide Additive Could Be One Culprit in Bee Deaths 农药添加剂是蜜蜂死亡的一大诱因 Springtime is flower season. And that includes some 90 million almond trees in California. It's the largest pollination event in the U.S.and beekeeper

发表于:2018-12-24 / 阅读(58) / 评论(0)

2017年Scientific American(二)月

103.An Exact Number

A tourist was visiting New Mexico and was amazed at the dinosaur bones lying about.

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英汉幽默故事选读

TED演讲:一项关于电动车的大胆计划(10)

One car emits four tons. And actually 700 and change million cars today emit 2.8 billion tons of CO2. 一辆汽车排放4吨二氧化碳。现在的7亿辆汽车排放28亿吨二氧化碳。 That's, in the additive, about 25 percent of our problem. 那

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TED演讲科技篇

TED演讲:一项关于电动车的大胆计划(8)

And that's the difference between problems that are additive, like CO2, 这个就是可添加性问题，像二氧化碳问题， which we go slowly up and then we tip, and problems that are depletive, in which we lose what we have, which oscillate, 慢

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TED演讲科技篇

英语晨读：战胜恐惧

Conquer Fear To conquer ones fears ,one must see past them .To fear is natural ; to see past them is heroic. Fear is normal additive to life ,symbolizing that there are new ,sometimes extraordinary things to come ,to face .To be able to see these thi

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英语美文

马虎词汇教程 list1-3

acquaintance n. 熟人，熟悉，认识，了解， acquiesce v. 默许，勉强同意 acquire v. 获得 acquisitive adj. 贪得无厌的；可获利的 acquit v. 宣告无罪 acrid adj. 辛辣的 ac

发表于:2019-01-11 / 阅读(141) / 评论(0)

英文语法词汇

AP 2010-11-22

1. The head of the Transportation Security Administration is admitting that new airport pat-downs are more invasive than what most are used to. But it doesn't sound like they're going away. He tells a Senate committee that the procedures are needed t

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美联社新闻一分钟2010(十一月)

TED演讲:下一次工业革命就在眼前(5)

Last year in the US, they helped Amazon prepare and ship all the products required for Cyber Monday, 去年在美国，机器人帮助亚马逊发货，以应对网络星期一带来的 the annual peak of online retail. 年度线上零售消费高峰。

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TED演讲国际问题篇

TED演讲:大爱无疆爱本无条件(12)

So the shorthand is five parents of four children in three states. 五位父母，生了四个孩子，生活在三个不同的州。 And there are people who think that the existence of my family somehow undermines or weakens or damages their family

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TED演讲国际问题篇

经济学人: 回收:塑料公路 (3)

Cleaning and sorting plastic made out of multiple polymers can be relatively expensive, 清理和将多种聚合物制成的塑料进行分类的成本相对昂贵， especially if it is used to make low value products such as packaging. 尤其是这些

发表于:2019-01-26 / 阅读(92) / 评论(0)

经济学人科技系列

经济学人86:3D印刷印刷未来

Science and Technology Three-dimensional printing An image of the future 科技 3D印刷印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用 U

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经济学人科技系列

研究称维生素D可缓解多发性硬化症症状

研究称维生素D可缓解多发性硬化症症状 WASHINGTON, Jan. 20 (Xinhua) -- Patients in the early stages of multiple sclerosis (MS) could stave off disease symptoms by increasing their vitamin D intake, U.S. researchers said Monday. The stud

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英语新闻

每天两餐西红柿永葆肌肤年轻

At this rate, scientists will have to come up with a better description for the tomato than mere 'superfood'. While it has long been credited with cutting cholesterol and preventing some cancers, the fruit now appears to have two more healthgiving be

发表于:2019-02-06 / 阅读(65) / 评论(0)

阅读空间

数学常用英语单词

数学常用英语单词 abbreviation 简写符号；简写 abscissa 横坐标 absolute complement 绝对补集 absolute error 绝对误差 absolute inequality 绝不等式 absolute maximum 绝对极大值 absolute minimum 绝对极小值 absolute monotonic 绝对单调 absolute value 绝对值

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英文语法词汇

经济学人224:定制宠物只需按一下打印键

Science and technology 科学技术 Bespoke pets 定制宠物 Just press print 只需按一下打印键 It will soon be possible to design and build household animals to order 按需定制宠物很快将成为现实 I could have sworn I ordered this

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经济学人科技系列

经济学人:3D打印为汽车定制化服务再创里程碑

Business: 3D printing: Print my ride 商业：3D打印：打印我的座驾 A mass-market carmaker starts customising vehicles individually. 大众化生产商开启汽车定制新时代。 Another milestone has been passed in the adoption of additiv

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经济学人财经系列

2015十大新兴技术：未来会有多酷炫？

The 2015 list of the greatest emerging technologies was recently published by Bernard Meyerson, chief innovation officer of IBM and chair of the World Economic Forums Meta-Council on Emerging Technologies. 最近IBM的首席创新官兼世界经济论坛

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阅读空间

万物简史第213期:把铅撵出去(2)

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(86) / 评论(0)

万物简史

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Abkhasia

actinocarsin

ammonium thioantimonate

ansi regular symbol

area transfer

articulatio cricoary tenoidea

bipolar computer element