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#!/usr/bin/python3#-*-coding:utf-8-*-"""ZetCodePyQt5tutorialInthisexample,weshowhowtoemitacustomsignal.Author:JanBodnarWebsite:zetcode.comLastedited:August2017"""importsysfromPyQt5.QtCore
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//Runtimeproject,cclasslibraryusingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Linq.Expressions;usingSystem.Text;usingSystem.Threading.Tasks;usingSystem.Windows.Input;namespaceRuntime{publicclassDelCmd:
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描述AnearthquaketakesplaceinSoutheastAsia.TheACM(AsiaCooperatedMedicalteam)havesetupawirelessnetworkwiththelapcomputers,butanunexpectedaftershock（预余震）attacked,allcomputersinthenetworkwereallbroken.Thecomputersarerepai