A Usage function that you should start filling out.
Usage函数，应该首先编写这个函数。
The usage function is pretty comprehensive to make the program useful.
usage函数非常全面，这让程序更加有用。
Compact usage defining a callback function on the fly might look something like this.
定义一个简单用途的回调函数大概是如下的样子。
But request the latter very much to apply the procedure function complete, easy usage etc. characteristics.
而对于后者则要求应用程序功能完备，易使用等特点。
But then request the procedure function to the latter complete, easy usage etc. characteristics.
而对于后者则要求程序功能完备，易使用等特点。
The data safety good database, request application the procedure function be complete, easy usage etc. characteristics.
数据安全性好的库，要求应用程序功能完备，易使用等特点。
The message board has the function strong and big, convenient characteristics in usage.
留言板具有功能强大、使用方便的特点。
The quality of the safe strategy usage determines the MIS safe function.
安全策略使用的好坏决定了MIS的安全性能。
But request the latter very much to apply the procedure function complete, easy usage etc. characteristics.
而对于后者则要求应用程序功能完备，容易使用等特点。
But then request applied procedure function to the latter complete, easy usage etc. characteristics.
而关于后者则请求应用法式功用完整，易运用等特性。
But then request applied procedure function to the latter complete, easy usage etc. characteristics.
而关于后者则请求应用法式功用完整，易运用等特性。
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