[土壤] 土壤垂直带谱

TED演讲:如何随处种小型森林

I'm an industrial engineer. 我是一个工业工程师。 The goal in my life has always been to make more and more products in the least amount of time and resources. 在我的生命中一直追求的目标，是用最少的时间和资源，做出更

发表于:2018-12-08 / 阅读(46) / 评论(0)

TED演讲商业篇

Horizon - Life On Mars 火星生命 - 11

One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'

发表于:2019-01-02 / 阅读(53) / 评论(0)

火星生命

2018年CRI Partnership and ecosystem essential to usher in 5G era

With the 5G era just around the corner in China, leading mobile and tech officials in China are suggesting more partnership are going to be needed to help the new technology grow and develop. 5G technology is one of the issues that has generated inte

发表于:2019-01-19 / 阅读(45) / 评论(0)

2018CRI中国国际广播电台

科学美国人60秒 SSS 无犁也来把田耕

Field Study: Worms Leave 'Til No-Till无犁也来把田耕 Charles Darwin is, most famously, the author of The Origin of Species. But the last book he ever wrote gets far less attention today. It's called The Formation of Vegetable Mould through the

发表于:2019-01-20 / 阅读(26) / 评论(0)

2017年Scientific American(六)月

China unveils reform guidelines on income distribution

BEIJING, Feb. 5 (Xinhua) -- China on Tuesday unveiled reform guidelines on income distribution amid growing public concerns over a widening wealth gap. The guidelines encourage further work to improve the initial distribution system and stepped-up ef

发表于:2019-02-03 / 阅读(62) / 评论(0)

英语新闻

2007年VOA标准英语-UN: Difficulty of Aid Distribution in Peru Easi

By Lisa Schlein Geneva 21 August 2007 United Nations aid agencies say the distribution of humanitarian assistance to victims of Peru's devastating earthquake remains problematic. But they say the situation is beginning to ease. Lisa Schlein reports f

发表于:2019-02-03 / 阅读(129) / 评论(0)

2007年VOA标准英语（八月）

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学英语单词

compressive surface stress toughening

constancy of the cell