The design analysis and die structure of typical common punching die of button contact are introduced.

介绍了一副典型的普通触指冲落模的设计分析和模具结构。

youdao

Owing to low requirement of the roughness of button contact used by high voltage switch, it's hard to get to the precision requirement with common processing of punching die.

由于高压开关用触指的表面粗糙度要求比较低，用普通冲压模具加工是很难达到精度要求的。

youdao

Since I've shown a lot of stuff since we pushed the Add Contact button on the Web page, I'll summarize what we've seen.

我展示了从按下 Web 页面上的 Add Contact 按钮后发生的很多事情，接下来我将对上述内容加以总结。

youdao

For example, if access to contacts is authorized or not determined, then a UI button to pick a contact can be displayed.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

Luckily, a timely opportunity did present itself in that the French element of the F3 team were in contact with the French Prost F1 team, raving about Button's ability.

BBC: How good is Button?