... 正象限相关系数：PCC 正象限：positive quadrant 正向运动：positive movement ...
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positive quadrant dependent 正二次相依
positive quadrant dependence 正象限相依
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The occupation time in a cone in the positive quadrant for a standard two-dimensional Brownian motion is studied, and its first and second moments are given explicitly.
考虑标准二维布朗运动在正象限锥形区域的占有时，得到其一阶矩和二阶矩的表达式。
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