The randomness and irregularity of variate-value are employed to control the randomness and irregularity of stochastic graphics.
算法中，利用变量取值的随机性和非规则性控制随机图形的随机性和非规则性；
The randomness and irregularity of variate-value are employed to control the randomness and irregularity of stochastic graphics.
算法中，利用变量取值的随机性和非规则性控制随机图形的随机性和非规则性；
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