The principle of on-off interface of CNC system, the software diagnosis and the programming technique for the interface are described.

本文主要描述计算机数控系统开关量接口原理，接口的软件 诊断方法及 程序编写技术。

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Remember that one random company who sued Apple back in March of 2008 for ripping off its display interface patents?

ENGADGET: Apple loses, challenges patent verdict surrounding Cover Flow and Time Machine

The new interface may put off those used to the standard Palm OS interface.

FORBES: Magazine Article

We wouldn't lean on earlier versions of Android, regardless of what features you like -- the interface rewrite cuts off support for OS releases before Android 3.2.

ENGADGET