Random number and correlated stochastic series have great value in simulation area. 隨機數與相關隨機序列在模擬領域有重要的應用價值。
The watermark consists of a pseudorandom sequence and its strength is modulated according to the local image characteristics. 水印為二值偽隨機序列，其強度可通過局部圖像特徵來調節。
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