问题描述：
英语翻译
Please wait until the MS-DOS window disappear,before you do another conversion.IF a window appeared and then rapidly disappeared,then check your path to the output and input files to be correct.
Please wait until the MS-DOS window disappear,before you do another conversion.IF a window appeared and then rapidly disappeared,then check your path to the output and input files to be correct.
问题解答：
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