我现在用一个单位正方形——,在x和y方向上都是从0到1变化。

So, let's say that I take a unit square -- -- so, something that goes from zero to one both in x and y directions.

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改进了美国贝鲁研究所的R·格雷厄姆关于在边长为1 0 0 0 0 0 .1的正方形中，装填最多个数的单位正方形的方法与结论，得到了一个较好的结果。

This paper is an improvement of R·Graham's method and conclusion about filling the most unit squares in the square with its side as 100000.1.

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矩形流道断面以正方形为最优，且存在最优角圆，使单位长流道沿程水力损失最小。

The optimum passage section figure of rectangle is square, and the rectangle has 4 optimum comer circular arcs which make the hydraulic loss of friction loss of per unit length passage the least.

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