无监视的控制系统;开环控制系统

英文热力歌曲:The Saturdays - Lose Control

Song：Lose Control Artist：The Saturdays Oooo-Oooo fashion fashion fashion fashion I always use to be the shy girl Not a hot girl And not your type girl I never cared about the cool clothes about the right shoes making the right moves who's that ho

发表于:2018-12-14 / 阅读(54) / 评论(0)

英语热力歌曲

VOA标准英语2014--New, Fatal Bird Flu Strain Closely Monitored 密切监视新的致命禽流感病毒H7N9

New, Fatal Bird Flu Strain Closely Monitored 密切监视新的致命禽流感病毒H7N9 WASHINGTON In the past 10 years, a deadly strain of bird flu has killed more than half of the people who got it. Now, there's a new strain of bird flu circulatin

发表于:2019-01-14 / 阅读(30) / 评论(0)

VOA标准英语2014年(三月)

科学美国人60秒 SSS 2013-09-05

Using less energy saves money and lowers greenhouse gas emissions. And various studies have looked at ways to get households to use less energy. Now theres evidence that people in such a study use less energybecause theyre in a study. The general phe

发表于:2019-01-20 / 阅读(35) / 评论(0)

Scientific American(九)月

Tobacco control needs stronger smoke signals

BEIJING, May 31 -- China will report its progress on tobacco（香烟） control to the member conference(联盟) of the WHO Framework Convention on Tobacco Control (FCTC) next year, but many experts say that there is still a lot to be done. China is

发表于:2019-02-17 / 阅读(77) / 评论(0)

英语新闻

CCTV9英语新闻：New guideline issued for eco-friendly development

China has made yet another move to improve its environment. The cabinet published a guideline on Tuesday, stressing the need to strike a balance between environmental protection and economic growth. The guideline called for more economical and effici

发表于:2019-02-18 / 阅读(69) / 评论(0)

cctv9英语新闻2015年

每日一词【830】damage control

今天我们要学的词是damage control。 Damage control, 意思是尽量减少破坏的程度。美国晚间脱口秀主持人莱特曼因为卷入性丑闻不断道歉。David Letterman is in damage control mode, 莱特曼努力减小不良影响。

发表于:2019-02-18 / 阅读(104) / 评论(0)

英语每日一词

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学英语单词

aluminothermic process