当然，这些预测有其理论成分。

These estimates, of course, have a theoretical element.

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如果他的理论正确，通过变包装的内层成分来控制令人不悦化学物质浓度，对于葡萄酒业而言是一个好方法。

If his theory is correct, fiddling with the composition of box interiors could be a good way for the wine industry to control the concentration of unpleasant chemicals.

youdao

这一理论的唯一特性使其成为一个经得住考验的预言，一个带有批判成分的科学手段。

This last property had the great virtue of being a prediction that could be tested, a critical ingredient of the scientific method.

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