单词：developable tangent surface
单词：developable tangent surface 相关文章
Ross Dunn Israeli Prime Minister Ariel Sharon is developing a new plan to withdraw from Gaza, after his Likud Party rejected his original plan in a referendum. The news comes the day after more than 1
VOA2004（上）--巴以冲突
By Jessica Berman Washington 24 January 2008 Researchers say they have improved the accuracy of automatic face recognition systems, which are being used more and more by crime prevention and national security agencies. The investigators have created
VOA标准英语2008年（一月）
MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio
2018年NPR美国国家公共电台11月
It's been tried all over the world, and teachers sort of stand back and say, It just happens by itself? 在世界各地尝试过，老师们后退着说：它就这么自己发生了？ And I said, Yeah, it happens by itself.How did you know that? 我说
TED演讲教育篇
It sucks. In certain circumstances, it might be the right thing to pull a talk. 这真不怎么样。有时候，要求取消某个讲话的理由是正确的 But it seems most of the time its overreactions by security vendors who dont understand. It
创业成功人士访谈录
地道美语听力播客English as a Second Language Podcast (ESLPod)，是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话，于2005年7月23日首播， 主播Dr. Jeff McQuillan为南加州大学的语言学博士
地道美语播客
[00:06.90]be busy with loaf grain wine [00:10.02]忙于 n.一个面包 n.谷物 n.酒 [00:13.14]fork steel flour farming [00:16.01]叉 n.钢铁 n.面粉 n.农事 [00:18.89]develop experience keep seed-head [00:21.86]vt.发展;开发 n.经验;经历 v
高中英语人教版高一
If you want your life to stand for peace and kindness, it' s helpful to do kind, peaceful things. One of my favorite ways to do this is by developing my own helping rituals. These little acts of kindness are opportunities to be of service and reminde
实用英语
The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no
VOA标准英语2010年(六)月
Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on
英语新闻
ENVIRONMENT REPORT - September 6, 2002: Geckos and Their Sticky Feet By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Geckos are small lizards that live in warm climates. These liza
健康与环境
An unusual method for producing antibiotics may help to solve an urgent global problem: the rise in infections that resist treatment with commonly used drugs, and the lack of new antibiotics to replace ones that no longer work. 耐受常用药物治疗
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能源行业英语
Kenya is joining a long list of countries planning to produce diesel fuel from the poisonous-but-oil-rich seeds of the jatropha tree, a plant indigenous to South America. The tree is at the heart of a five-year strategy to develop a bio-fuel industr
VOA标准英语2008年（八月）
Marit Larsen 从那个红遍全球的少女组合M2M里走出来的Marit Larsen并没延续M2M的流行摇滚，而是选择了清澈的民谣曲风，用她时而俏皮时而的甜蜜的嗓音来吟唱她自己写的小曲儿，带给听者如沐春风的清新感觉。 中英歌词: It's such a funny sensation to be so happy that
音乐咖啡厅
LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic
英语新闻
BEIJING, Sept. 2 (Xinhuanet) -- Firefighters who worked in the wreckage of the World Trade Center in 2001 were 19 percent more likely to develop cancer than those who were not there, according to a study. The study, published Thursday in the British
英语新闻