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1·In the proof, the tools of the conditional moment generating function and the differentiation on a net for the study on strong limit theorems in the random selection system are applied.

在证明中采用了一种把网微分法与条件矩母函数相结合应用于随机选择系统强极限定理研究的一种途径。

2·The force moment of guiding water blade has self close function, which can effectively protect the runaway of generating unit.

导水叶力矩具有自关闭特性，对机组防飞逸具有较好的效果。