"Houston,while you're looking that up, you might recognize what I have in my hand as the handle for the contingency sample return;
VOA: special.2011.05.15
What I did last time was to show you how to handle motion in more than one dimension.
上节课的内容,是用多维矢量描述运动
What is the mole? Mole is a more practical value, something that we can handle tangibly.
什么是摩尔,它有实际值,我们可以很明白的掌握的。
So, in fact we may not find a sock at all and yet we don't seem to handle that at all unless if we don't find any socks, what do we do?
实际上我们可能找不到袜子,并且不用处理那些事情,前提是我们没有找到任何袜子,我们做什么呢?
One is how important it is to have more accurate measurement and how important it is for scientists to get a better handle on what people are eating.
其一是精确测量,是多么重要,对科学家来说,更好的处理人们吃了什么有多重要
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