I need a large number of reference book.

我需要大量的参考书。

youdao

I think it should be able to play a number of reference.

我想这应该能起到一些参考作用。

youdao

He has a large number of reference books at his disposal.

他有大量的参考书可供使用。

youdao

And for any of the other compounds. So in other words, by defining that reference state, we can then figure out or measure heats of formation of a vast number of compounds.

对吧？对于任何其他的,化合物也是一样，所以换句话讲，定义了这个参考状态,我们就能算出或测量许多。

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