对于新入门的汇编语言程序员来说，不太明显的一个问题是指令的顺序会影响程序执行速度。

What is not usually apparent to new assembly language programmers is that the order of instructions affects the speed of the program.

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从而，在只是付出了一些指令的代价后，您的程序会拥有函数式程序的可证明性和命令式程序的速度和内存特性。

So, for the price of at most a few instructions, your program can have the provability of a functional program and the speed and memory characteristics of an imperative one.

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将指令盘拨到“ S ”来告诉你的相机：我设定快门速度，而你来调整光圈。

Putting the dial on "s" tells your camera "I am deciding the shutter speed, you set the aperture for me."

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