标签：combustion 相关文章
Electric car does 0 to 100kph in 2.8 seconds 电动车在2.8秒内由0kph可达到100kph A new electric car from Tesla Motors can go from 0 to 100kph in just 2.8 seconds. An older model could already get from 0-100kph in 3.2 seconds. An upgrade calle
英语科技新闻
NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re
英语沙龙2004全年合辑下
Heavy air pollution recently hit many places in north China. It inspired a heated debate over whether officials should ban the use of fireworks, which is a tradition of Lunar New Year celebrations. Bloggers have responded with much divergence on the
英闻天下
(MA-AT) Since we've been discussing alternative fuels lately, I wanted to pass on to you some information I read about a new fuel that's been in the news a lot lately. It's called A-21. It's composed of water and a chemical known as naphtha. It seem
托福听力短文
We're talking about obsoleting the internal combustion engine--and do it in terms of its affordability, add skill volumes, its performance and its durability. 我们打算淘汰内燃机，并在提高可购性，增加技能，提高性能和耐用性
历史英雄名人演讲
Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov
60秒科学
By Brent Hurd Many governments are promoting above and underground transit systems to fight increasing congestion. Urban trains are appearing even in the wide expanses of the western United States, in
VOA2004（下）--时事新闻
The body of an animal may well be compared with(1) some machine like a locomotive engine. Indeed, the animal body is a machine. It is a machine composed of(2) many parts, each part doing some particular kind of work for which a particular kind of str
英语背诵文选第一册
This is Scientific Americans 60-Second Science, I am Cynthia Graber .This will just take a minute. How can we improve engines, inhalers and fire extinguishers? Maybe by copying a beetle. The bombardier beetle's name might scare off predators if they
Scientific American(四)月
Technology Report - Turning Industrial Waste-Heat Into Electricity This is the VOA Special English Technology Report. Scientists say enough energy is being wasted in the oil and gas fields of Texas every year to provide electricity to one hundred tho
2012年VOA慢速英语(九)月
We did an analysis where you would have a station in each city with each of the 100 largest cities in the United States, and located the stations so you'd be no more than two miles from a station at any time. We put one every 25 miles on the freeway,
财富精英励志演讲
We wanted something that was really affordable. The fuel cell looked great: one-tenth as many moving parts and a fuel-cell propulsion system as an internal combustion engine and it emits just water. And we wanted to take advantage of Moore's Law with
财富精英励志演讲
The United Nations' World Meteorological Organization says there is a close relationship between weather-climate systems and global pollution. The organization says these relationships also affect people's health. 这个星期一是世界气象日，联
VOA双语新闻 2009年3月
As a leading member of the Acadmie Royale des Sciences, he was also required to take an informed and active interest in whatever was topicalhypnotism, prison reform, the respiration of insects, the water supply of Paris. It was in such a capacity in
万物简史
Although chemistry had come a long way in the century that separated Newton and Boyle from Scheele and Priestley and Henry Cavendish, it still had a long way to go. Right up to the closing years of the eighteenth century (and in Priestley's case a li
万物简史
collide v.碰撞，冲突 collision n.碰撞，冲突 collude v.串通，共谋 collusion n.勾结，串通 colloquium n.学术讨论会 colossal adj.巨大的，庞大的 colossus adj.巨人，巨型雕
GRE英语
Dutch inventors have unveiled what they called the worlds first giant outside air vacuum cleaner a large purifying system intended to filter out toxic tiny particles from the atmosphere surrounding the machine. 荷兰发明者公布了他们所谓的世
英语新闻
Ultimately, the idea is that the algorithm will also learn from the experiences of its brethren in other cars, by arranging for all such systems to share their data online. 最终，通过数据在线分享的方式，可以获得其他车辆所获得的
经济学人科技系列
Any visitors to Earth from afar would almost certainly, at the very least, be bemused to find us living in an atmosphere composed of nitrogen, 任何光临地球的远方客人几乎肯定都会觉得好笑，发现我们生活在一种由氮和氧组成
万物简史
Animal And Machine The body of an animal may well be compared with(1) some machine like a locomotive engine. Indeed, the animal body is a machine. It is a machine composed of(2) many parts, each part doing some particular kind of work for which a par
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