如果rand是一个线性同余随机数序列，显示的图案，这意味着在任何给定的时间，这是不正确的，所有的数字都是等概率的。

If rand is a linear congruential RNG, number sequences show a pattern which means that at any given time it is not true that all the Numbers are equiprobable.

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本文介绍了一种用于高精度测量图案棱边直线性的装置。

An Equipment for high precision measurement of pattern edge linearity is described in this paper.

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