操作系统与应用软件中64位与32位的关系

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IA32e \u6a21\u5f0f/ EM64T \u6a21\u5f0f\u3002\u8fd9\u65f6\u6b63\u5728\u8fd0\u884c 64 \u4f4d\u7a0b\u5e8f\uff0cCPU \u5b8c\u5168\u4ee5 64 \u4f4d\u7279\u6027\u5de5\u4f5c\u3002\u00a0"}, {"txt": "2.2. \u517c\u5bb9\u6a21\u5f0f\u3002\u8fd9\u5c31\u662f\u5728 64 \u4f4d\u7cfb\u7edf\u4e0b\u8fd0\u884c 32 \u4f4d\u7a0b\u5e8f\u7684\u6a21\u5f0f\u4e86\u3002\u5177\u4f53\u7684\u60c5\u51b5\u4e0b\u9762\u4f1a\u8be6\u7ec6\u8bf4\u660e\u3002\u00a0"}], [{"txt": ["\u8f6f\u4ef6\u5b9e\u73b0"]}, {"txt": "\u5728\u517c\u5bb9\u6a21\u5f0f\u4e0b\uff0c\u652f\u6301 x86-64 \u7684 64 \u4f4d\u64cd\u4f5c\u7cfb\u7edf\u5c31\u8981\u8d77\u5230\u534f\u8c03\u4f5c\u7528\u4e86\uff0c\u5b83\u9996\u5148\u8981\u662f\u8bc6\u522b\u7a0b\u5e8f\u7684\u5e73\u53f0\u6027\u8d28\uff0c\u5982 16 \u4f4d\uff08Windows x64 \u5e76\u4e0d\u652f\u6301 16 \u4f4d\u5b50\u7cfb\u7edf\uff0c\u56e0\u6b64\u65e0\u6cd5\u6267\u884c MS-DOS 16 \u4f4d\u7a0b\u5e8f\uff09\u300132 \u4f4d\uff0c\u8fd8\u662f 64 \u4f4d\u3002\u5982\u679c\u662f 32 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