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<title>第十二章
响应鼠标和键盘事件</title>
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288;position:absolute;top:28.74%;left:11.04%;width:84.26%;height:5.25%'><nobr><span
style='font-family:SimSun;mso-fareast-font-family:SimSun'><b>和</b></span><span
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style='font-family:SimSun;mso-fareast-font-family:SimSun'><b>事件，通过响应这些鼠标事件，能在应用程序 </b></span></nobr></div>
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color:red;position:absolute;left:-7.69%;text-align:left'>3.</span></span><span
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</span></b></span><span style='font-family:SimSun;mso-fareast-font-family:
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