economic and technical norms

• 经济技术指标

economic and technical norms的用法和样例：

例句

1. The life-circle is the most important economic and technical index of the bogie.
   摘要转向架寿命是转向架的重要经济技术指标。
2. In the last, researchful content and technical requirements are presented briefly.
   最后简要介绍了本课题的研究内容和技术指标。