为此提出围岩物性参数空间等效方差增大函数这一概念，用来反映岩体结构对衬砌综合作用的随机变异性。
In order to describe the random variability of comprehensive actions of rock mass on lining, an equivalent deviation increasing function is put forward.
结论：(1)EH患者血压变异增大，昼夜波动节律消失，心率变异性降低，QT变异度昼夜无显著差异。
Conclusion: (1) in EH patients ABPV were increased, HRV were reduced, the rhythm of blood pressure were disappeared, no significant difference was found between daytime and nighttime QTv.
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