断裂应力

Every two weeks, on the full and new moons, the sun, moon and Earth fall along a nearly straight line. The combination of gravitational forces in this arrangement creates large swings in the tides. But the celestial alignment affects more than the oc

发表于:2018-12-24 / 阅读(23) / 评论(0) 分类 2016年Scientific American(九)月

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!

发表于:2018-12-30 / 阅读(123) / 评论(0) 分类 雅思词汇真经

SCIENCE IN THE NEWS - Stress: What It Can Do to Us, What We Can Do About It By Cynthia Kirk Broadcast: Tuesday, May 17, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm

发表于:2019-01-20 / 阅读(61) / 评论(0) 分类 科技之光

Science and Technology Seismology and tsunamis Making waves 科技 地震学与海啸 掀起新浪潮 A better tsunami-prediction system is now under development 更精准的海啸预测系统现已在开发中 GEOLOGISTS have long known that some ma

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 经济学人科技系列

BEIJING, July 28 (Xinhua) -- Mazda will recall 845,761 vehicles in China due to defective airbags, according to the General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) Thursday. The affected vehicles include 822,560 Mazda

发表于:2019-02-06 / 阅读(94) / 评论(0) 分类 英语新闻

Eleven Ways to Reduce Morning Stress Lose an hour in the morning, and you will be all day hunting for it.Richard Whately Mornings can be the most stressful part of our day if we fail to manage our time and health needs appropriately. Many of us deal

发表于:2019-02-18 / 阅读(61) / 评论(0) 分类 阅读空间