... maximal mathematical expectation 最大数学期望 scope of mathematical expectation 数学期望的值范围 Applications of mathematical expectation 数学期望的应用 ...
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由构造引起的煤厚变化具有非线性特征和突变性,但在一定的范围内,煤厚分布的数学期望为一个固定值。
The change of coal thickness caused by geological structure is nonlinear and revulsion, but in a certain range, the mathematical expectation of coal thickness distribution is a fixed value.
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