这三个名词如何翻译？
* A system hook allows you to insert a callback function which intercepts certain Windows messages (e.g., mouse related messages).
* A local system hook is a system hook that is called only when the specified messages are processed by a single thread.
* A global system hook is a system hook that is called when the specified messages are processed by any application on the entire system.


system hook
local system hook
global system hook

[解决办法]
system hook　　　系统钩子
local system hook　　　本地系统钩子
global system hook　　全局系统钩子


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只知道怎么翻译，现在还没学到怎么用呢
[解决办法]
system hook 系统钩子
local system hook 局部系统钩子
global system hook 全局系统钩子