BatCoder

@echo off
start "" "C:\a.exe"
ping -n 2 127.1 >nul
start "" "C:\b.exe"
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BatCoder

@echo off
start "" "C:\a.exe"
ping -n 2 127.1 >nul
start "" "C:\b.exe"
:loop
tasklist | findstr /i "b.exe" || taskkill /f /im a.exe & goto :eof
ping -n 10 127.1 >nul
goto :loop
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BatCoder

也可以调用sleep来节省资源