单词:millimeter wave reflex klystron
毫米波反射速调管
单词:millimeter wave reflex klystron 相关文章
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? February 28th is International Sword Swallowers Awareness Day, according to practitioner Dan Meyer, who recently demonstrated the technique at the AAAS meeting in Chic
发表于:2018-12-24 / 阅读(64) / 评论(0)
Scientific American(二)月
AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea
发表于:2019-01-12 / 阅读(64) / 评论(0)
2016年VOA慢速英语(十)月
A new flexible smartphone design could change the way users interact with their devices. ReFlex, developed by researchers at Queen's University, uses 'bend sensors' to control app interactions, and simulates physical forces through detailed vibration
发表于:2019-02-17 / 阅读(59) / 评论(0)
英语新闻