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DVRRDK如何升级



我有两个DVRRDK包,一个是DVRRDK_03.00.00.00.tar.gz(1.33G),一个是DVRRDK_03.00.01.03.tar.gz(610M).。如果要升级到后者,请问是直接使用后面一个,还是在第一个的基础上,用第二个覆盖?