The structure, process of work, essential of design and making of one kind of precision cutting die for two-piece on punch press were introduced. Then a practical die structure was given.
介绍了用在冲床上的一种双件精密剪切模的结构、工作过程和设计制造要点，并给出了实用的模具结构。
This is very convenient for users, because it corresponds well with the essential design of that ubiquitous input device, the mouse.
这对于用户来说非常方便，因为这非常符合鼠标这个无处不在的输入设备的关键设计。
In the last installment, we started a discussion about data validation, which is one of the essential components of enterprise application design.
在上一篇专栏文章中，我们首先讨论了数据验证方面的问题，这是企业应用程序设计的基本组件之一。
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