单词：bombarding cathode
轰击阴极
单词：bombarding cathode 相关文章
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
发表于:2019-01-08 / 阅读(120) / 评论(0)
Scientific American(四)月
Scientific American(四)月
AUDIE CORNISH, HOST: People who live in places with lots of Chinese immigrants are receiving robocalls that sound like this one. (SOUNDBITE OF ARCHIVED RECORDING) COMPUTER-GENERATED VOICE #1: (Speaking Mandarin). CORNISH: A person who doesn't speak M
发表于:2019-01-16 / 阅读(82) / 评论(0)
2018年NPR美国国家公共电台5月
2018年NPR美国国家公共电台5月