中国还在经纬仪附近发射了气象气球来测量大气温度和压力变化，以更好地估计折射误差。

The Chinese also launched weather balloons near their theodolites to measure atmospheric temperature and pressure changes to better estimate refraction errors.

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Let me write a function, in fact the literal thing I would do is to say, identify the things that change, give each of them a variable name because I want to refer to them, and then write a function that captures the rest of that computation just with those variable names inside.

让我来写个方法,实际上我的意思是，辨别出变化的东西,然后给它们逐个命名以区分,然后写一个用来计算,这些变量的,包括计算过程的方法。

麻省理工公开课 - 计算机科学及编程导论课程节选

The way that the cell experience it is through some sort of biochemical changes.

细胞发生某种生物化学变化,以完成这个过程

耶鲁公开课 - 生物医学工程探索课程节选

You see, you can keep the operations the same whether or not you pay a dividend, if choosing not to pay a dividend means substituting stock repurchase for dividend.

不管你是否支付股利,你公司的运转都不会发生变化,如果不发放股利,那就意味着,以股票回购代替股利分配

耶鲁公开课 - 金融市场课程节选