[计] 数值方法

China is working on next-generation bullet trains with a maximum operational speed of 400 km per hour that will be ready by 2020 for markets linked to the Belt and Road Initiative, the country's top railway vehicle maker said. 国内最大的轨道客车

发表于:2019-01-07 / 阅读(183) / 评论(0) 分类 英语新闻

By Cynthia Kirk ENVIRONMENT REPORT -July 5, 2002: Conditions in China This is the VOA Special English ENVIRONMENT REPORT. Environmental officials in China say the government has taken steps to reduce

发表于:2019-01-11 / 阅读(66) / 评论(0) 分类 健康与环境

'Black Mirror' Is Back, Reflecting Our Technological Fears play pause stop mute unmute max volume 00:0003:42repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugi

发表于:2019-01-17 / 阅读(39) / 评论(0) 分类 2016年NPR美国国家公共电台10月

维护外太空的可持续与安定 Orbiting the Earth are satellites crucial to many aspects of life as we know it in the 21st century. But along with equipment allowing us to navigate airplanes and ships, to communicate with loved ones thousands o

发表于:2019-02-01 / 阅读(24) / 评论(0) 分类 VOA常速英语2013年(八月)

雅思范文:怎样看待电脑科技的普遍运用 We are becoming increasingly dependent on computers. They are used in businesses, hospitals, crime detection and even to fly planes. What things will they be used for in the future? Is this depen

发表于:2019-02-08 / 阅读(84) / 评论(0) 分类 雅思英语

模仿文本: In cars, in ships, in planes, in our phones, we'll be lost without sat nav. It's amazing - some might say alarming - just how rapidly it sent us off in a new direction, away from self-reliance towards technological dependence, which w

发表于:2019-02-23 / 阅读(31) / 评论(0) 分类 英音模仿秀