一定温度范围内聚烯烃均出现显著的应力波动现象，形变不均匀、不稳定。
In a certain range of tensile temperature, the stress strain behavior of polyolefins studied showed good similarity.
据此，将斜坡浅表部应力场由表及里划分为应力降低带、应力增高带及应力波动带。
Hereby, the stress field on superficial slope could be divided into regions of stress lowering, rising and fluctuating from the outside to the inside.
分析了由于冲击而引起的钢丝绳的应力波动，并从理论上找到了发生最大冲击负荷的部位及大小。
This paper analyzes the stress wave of hoisting steel rope caused by impact and The position and size of maximum impact load have been found in theory.
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