接着，研究了人工势场法的一种延伸：流函数法。

Then an extension of APF method - stream function is researched.

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该函数将对象的信息转储到标准输出流。

This function will dump the object's information to the standard output stream.

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该函数将对象的信息转储到标准输出流。

This function will dump the object's information to the standard output stream.

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