This is what experiments are all about.
这就是实验的意义。
What experiments prove convincingly that the two masses are the same?
有什么实验令人信服地证明了两种质量是一样的呢？
What these experiments reveal is the essential mental process of movie-watching.
这些实验揭示的是观看电影时的基本心理过程。
What sort of experiments will scientists run here?
科学家们会在这里进行何种实验？
But what of other experiments?
但是如果是其他的实验呢？
Together, the experiments showed that the mental effort of imagination is not what influences appetite.
一起，实验表示想像的心智努力是不什么影响食欲。
And what is the difference between the two experiments?
这两个实验的，区别是什么？
And what is your attitude to such experiments?
你对上述实验有何看法？
In some experiments, you will be told what to measure and what instruments to use.
在有些实验中，你将会被告知要测量什么和使用什么仪器。
What field experiments need to be done?
需要进行何种田野试验？
What field experiments need to be done?
需要进行何种田野试验？
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