总是能够让你能够使用数学程序库，那也是有用的，所以你不一定要把它记住。
Always provides you with access to the math library because that's useful, too, so you don't always have to remember that.
STYR软件库是国内很有影响的大型数学和统计程序库。
The STYR software is a large scale mathematical and statistical software library.
STYR软件库是国内很有影响的大型数学和统计程序库。
The STYR software is a large scale mathematical and statistical software library.
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