这是一个制导翻译的源代码，因为跟我们作业无关，我也不知道具体是什么，但可能有人有用吧，这东西我反正很少听说，也许很难找吧-This a guided translation of source code, because the operation has nothing to do with us, I do not know the specifics of what It might be useful to it, something I rarely heard anyway, it