No, parents were not told about the purpose of the experiment until afterwards.
不是。家长直到实验之后才被告知实验目的。
What was the purpose of his experiment on the Island?
他在岛上做的实验目的是什么？
The purpose of this paper is to fulfillvitual mechanical experiment in computer.
其目的是在计算机上虚拟实现传统的机械原理实验。
The purpose of this experiment is to determine the empirical formula of a hydrate.
这个实验的目的是确定一种水化物的实验式。
The purpose of this experiment is to determine the empirical formula of a hydrate.
这个实验的目的是确定一种水化物的实验式。
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