米拉

In this article,the computer control system of the large scale flashing butt welding was introduced in the aspects of the makeup and its realization.

介绍了大型预热闪光焊机微机控制系统的组成及控制过程的实现。

The researchers focus on three questions: How companies estimate capital costs, how they choose the discount factor for an investment project and how they judge the risk elements.

研究人员关心的三大问题是：公司如何评估资本成本？如何为投资项目选择贴现率？如何衡量风险因素？