单词：photo-electric sensing equipment
单词：photo-electric sensing equipment 相关文章
Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire
Scientific American(九)月
AUDIE CORNISH, HOST: Think about some of the things that spew nasty contaminants into the air - automobiles, power plants. How about leaf blowers? Those annoyingly loud, gas-powered, backpack-like machines are about to pass cars as the worst air poll
2017年NPR美国国家公共电台3月
The Wuhan Marine Machinery Plant, located in Hubei's provincial capital, is already China's largest ship equipment producer for both military and civil use. Photo taken on Nov. 10 shows at the Wuhan Marine Machinery Plant. [Photo: CRIENGLISH.cn/Xu Ya
2016CRI中国国际广播电台
Topic 1-Electric Shock Therapy Treating Internet Addiction Bouncing Back Families in China have turned to unlicensed boot camps that offer to wean their children, often in their teens, from the so-called internet addiction. According to Yangtse Eveni
英语角-圆桌会议
Why this is interesting is because in the past decade we have found that this is not just some anomaly of this ridiculous, 这个发现之所以有趣，是因为在过去十年间，我们发现这种现象不只局限在这种古怪的、 glow-in-t
TED演讲教育篇
近日，我国首颗商用遥感卫星成功发射。这颗备受瞩目的星星都具备哪些功能？它的升空具有什么意义？在实现人们飞天梦的同时，它又能为我们的生活带来怎样的便利呢？ 请看相关报道：
英文语法词汇