求翻译：2.给各种指令规定了相应的长度和格式。比如：某数+某数这条指令就规定：这条指令的长度是3个字节，其中第一个字节表示“+”，后面两个字节表示被加数和加数。于是，当CPU到达这个指令后，就自动把第一个代码作为指令，后面两个代码作为数据，依次类推，第4个代码就必然是指令是什么意思？

2 corresponding to the various instructions provided the length and format. For example: a number + a number of provisions of this instruction on: the length of this instruction is 3 bytes, where the first byte "+" followed by two bytes summand processing number. Thus, when the CPU reaches this comm

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2. gave each kind of instruction to stipulate the corresponding length and the form.For instance: Some number + some number this instruction stipulated that,This instruction length is 3 bytes, in which first byte expression “+”, behind two byte expression addend and addend.Therefore, after CPU arriv

2. the directive provides for the appropriate length and format. For example: a + a number this directive stipulates: this instruction is 3 bytes in length, where the first byte indicates the "+", followed by two bytes represent the augend and Addend. Thus, when the CPU reaches this direction, autom

2 corresponding to the various instructions provided the length and format. For example: a number + a number of provisions of this instruction on: the length of this instruction is 3 bytes, where the first byte "+" followed by two bytes summand processing number. Thus, when the CPU reaches this comm