单词：hydraulic efficiency propulsion
单词：hydraulic efficiency propulsion 相关文章
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用Mp3背六级单词
Visionary Ideas Could Transform Future NASA Missions NASA, the U.S. space agency, has awarded $3 million in grants for 30 proposals which explore new ideas for Americas next generation space program. The proposals reflect wide-ranging visions of new
VOA标准英语2011年(八月)
The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei
彭蒙惠英语
Oil spill, Day 42 of this oil spill in the Gulf of Mexico. Still there is no end in sight for this crisis. Right now take a look with me. Work under water and under way to place a custom built dome over that ruptured well. Remember that effort top ki
CNN2010年(六)月
Congressional investigators say three previously undisclosed defects in a critical safety device may have contributed to the massive oil spill in the Gulf of Mexico. The rig was owned by Transocean and leased by energy company BP. NPR's Peter Overby
2010年NPR美国国家公共电台5月
Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge
2012年VOA慢速英语(十一)月
Scientists Testing Space Propulsion by Light 科学家测试太阳能动力 Can the sun provide power for a spaceship to travel to the edge of our solar system? The answer may come from a small satellite. A Delta V rocket carried the satellite into s
2015年VOA慢速英语(六)月
NASA Working Toward Mission to Mars The head of the National Aeronautics and Space Administration, or NASA, said that the space agency is on track to land people on Mars in the 2030s. Charles Bolden is the administrator for NASA. He said that five ye
2015年VOA慢速英语(五)月
Study: No Evidence Hydraulic Fracturing Pollutes Water A new study finds no evidence that the controversial practice to extract natural gas known as hydraulic fracturing is contaminating ground water. The report, Separating Fact from Fiction in Shale
VOA标准英语2012年(二月)
Science and Technology Monitor Caught in a BEAR hug 科技 观察家 落入BEAR怀抱 Robotics: A newly designed robot can recover casualties from battlefields, and might also be able to make itself useful to soldiers in other ways 机器人技术：一
经济学人科技系列
BEIJING, June 25 (Xinhua) -- A senior Chinese official on Monday called for the country to speed up mass production of shale gas with its own technologies to ensure adequate energy supply. Efforts must be made to achieve early breakthroughs in the ap
英语新闻
BEIJING, March 31 (Xinhua) -- Changan Ford Mazda Automobile Co. Ltd. will recall 62,445 vehicles in China from April 1 due to a problem that could lead to erroneous warnings on the vehicles' dashboard displays that their anti-lock braking systems (AB
英语新闻
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
能源行业英语
By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr
VOA常速英语2007年（十一月）
And是一个常用的并列连词。其一般的用法和译法，已有不少文章论及。本文仅就and的一些特殊用法作一简单介绍。 一、And前后的两部分表示同时发生的动作，或同时存在的属性、特征等可译为
英文语法词汇
Hu Jintao is the leader of China. His official title is Paramount Leader of the People's Republic of China.Hu is a lifetime communist and one of Chinas youngest leaders.He has continued to transform Chinas economy and bring wealth to the people.While
世界名人简介
And是一个常用的并列连词。其一般的用法和译法，已有不少文章论及。本文小编仅就and的一些特殊用法作一简单介绍。 一、And前后的两部分表示同时发生的动作，或同时存在的属性、特征等可
托福英语
How oft, when thou, my music, music play'st, Upon that blessed wood whose motion sounds With thy sweet fingers, when thou gently sway'st 你是我的音乐，当你在幸运的琴键上弹奏乐章，你轻柔的手指拂过键盘，于是琴弦上随指
莎士比亚十四行诗全集