单词：free-settling hydraulic classifier
单词：free-settling hydraulic classifier 相关文章
Agriculture Report - US Farmers Struggle With Drought This is the VOA Special English Agriculture Report. A drought across much of the United States is forcing farmers to make difficult decisions. Damage to corn and soybeans is already severe in the
2012年VOA慢速英语(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
NASA Identifies Shuttle Endeavour's Heater Glitch NASA says engineers at Kennedy Space Center believe they have identified the cause of the heater failure that forced the postponement of the launch of the shuttle Endeavour. NASA technicians say the f
VOA标准英语2011年(五月)
Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani
VOA标准英语2011年(四月)
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
US Could by 2017 Be World's Biggest Oil Producer The International Energy Agency says that by 2017 the United States is likely to overtake Saudi Arabia as the world's biggest oil producer. The Paris-based energy agency said Monday in its annual forec
英语新闻
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
世界银行：美国经济增长加快 Many economists say U. S. growth will speed up a bit over the next year, which will likely make it easier for other nations to sell their products in the worlds biggest economy. Surging energy production is cut
英语新闻
今天我们要学的词是， perk。 Perk, 是特权，好处的意思。Flying first class is just one of the perks enjoyed by many company CEOs, 坐飞机头等舱是很多公司总裁享受的特权之一。Having summer and winter breaks is a p
英语单词荟萃
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