[自] 电子控制的
(electronically-controlled 的复数)

1. electronic,电子的,电子操纵的。 eg:Data is transmitted electronically. 数据是电子传输。 2. commerce,商业,贸易,交易。 段中说到的electronic commerce多被简称为E-Commerce,表示电子商务。 eg:Our overseas comme

发表于:2018-12-18 / 阅读(33) / 评论(0) 分类 蒋健棠教你听英语广播

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 Scientific American(八)月

Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on fewer watts. But even if we replaced all today's bulbs with energy-sipping LEDs, the world m

发表于:2019-01-02 / 阅读(78) / 评论(0) 分类 60秒科学

SCIENCE IN THE NEWS -May 21, 2002: First electronically controlled animals / Study of mothers and their sons / Effects of global warming Broadcast: VOICE ONE: This is Sarah Long. VOICE TWO: And this i

发表于:2019-01-07 / 阅读(64) / 评论(0) 分类 科技之光

Science and Technolgy. 科技。 Visible-light communication. 可见光通信。 Tripping the light fantastic. 与光共舞。 A fast and cheap optical version of Wi-Fi is coming. 一个高速而廉价的光学Wi-Fi即将问世。 AMONG the many new

发表于:2019-01-26 / 阅读(58) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Visible-light communication 可见光通信 Tripping the light fantastic 与光共舞 A fast and cheap optical version of Wi-Fi is coming 一个高速而廉价的光学Wi-Fi即将问世 AMONG the many new gadgets u

发表于:2019-02-06 / 阅读(62) / 评论(0) 分类 经济学人科技系列