Figure 6.16. (Left) Two separate variables. (Right) Several loop values of one variable.

图6.16。 （左） 两个分开的变量。 （右） 一个变量在几次循环中的值。

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The interrelationships of these four separate variables are somewhat similar to a four-sided frame with flexible joints.

这四个分离变量的相互关系有点像带有柔性接头的四边形框架。

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To prevent this problem, the best solution is to create two separate variables and just derive the second from the first the same way you would do so if you were just writing to the same variable.

为了预防这一问题，最好的解决方案是创建两个单独的变量，并以同样的方法根据第一个变量得出第二个变量，就像是写入同一变量那样。

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