衰减振荡曲线（多线程）
......................\Debug
......................\Dethr.aps
......................\Dethr.clw
......................\Dethr.cpp
......................\Dethr.dsp
......................\Dethr.dsp.org
......................\Dethr.dsp.tmp
......................\Dethr.dsw
......................\Dethr.h
......................\Dethr.ncb
......................\Dethr.opt
......................\Dethr.plg
......................\Dethr.rc
......................\DethrDlg.cpp
......................\DethrDlg.h
......................\f.h
......................\f.m
......................\f.mak
......................\f.r
......................\f.rsp
......................\g_f.cpp
......................\matcom.out
......................\matlib.h
......................\pr
......................\ReadMe.txt
......................\res
......................\Resource.h
......................\res\Dethr.ico
......................\...\Dethr.rc2
......................\StdAfx.cpp
......................\StdAfx.h