桩基法介绍了灰土桩、砂桩、碎石桩的适用范围，采用冶金建设工程预算定额的有关定额进行了技术经济分析。

And then make an analysis to their technology and economy based on the railway estimate norm and metallurgy engineering estimate norm.

youdao

定额管理作为一门技术经济学科，是一个技术性、实践性、综合性和政策性很强的领域。

The quota control is passed a sentence as a technical economics, and is one technical and the very strong domain of practicality, synthetic nature and policy.

youdao

定额管理作为一门技术经济学科，是一个技术性、实践性、综合性和政策性很强的领域。

The quota control is passed a sentence as a technical economics, and is one technical and the very strong domain of practicality, synthetic nature and policy.

youdao