由于乘法的操作数是两个64位的值，它们的乘积是一个128位的数字。
Since the operands for the multiplication are 64-bit values, the result of their product is a 128-bit number.
问题在于乘法指令的结果可能会有其操作数的两倍之长。
The problem is that the result of a multiply instruction can be twice as long as its operands.
闭包rMultiply 是个局部应用程序，通过使用一个不变的第二操作数，把二元乘法改变成一元闭包。
The closure rMultiply is a partial application that adapts the binary multiplication to be a unary closure by using a constant second operand.
乘法和除法的优先级高于加法操作，于是它们的操作数先于加法操作的操作数计算。
Multiplication and division have higher precedence than addition. Their operands are bound to the operator in preference to the operands to addition.
这些指令的特点是我们必须定义alu操作数和ALE(地址锁存允许)运算，除了两个例外：乘法和除法。
Main characteristic of these instructions is that we have to define both ALU operands and ALE operation. Exceptions among these instructions are mul (multiply) instruction div (divide) instruction.
这些指令的特点是我们必须定义alu操作数和ALE(地址锁存允许)运算，除了两个例外：乘法和除法。
Main characteristic of these instructions is that we have to define both ALU operands and ALE operation. Exceptions among these instructions are mul (multiply) instruction div (divide) instruction.
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