因此，对飞灰含碳量预测技术的研究是非常必要也是很有应用价值的。

So the study of the fly ash carbon forecast technique is very essential and important.

youdao

研究结果为田间灰飞虱的准确抽样调查和有效防治提供了科学依据。

These results provide a scientific basis for accurate sampling and effective management of this pest.

youdao

研究结果为田间灰飞虱的准确抽样调查和有效防治提供了科学依据。

These results provide a scientific basis for accurate sampling and effective management of this pest.

youdao