The results show that in traditional aging temperature, the stress relaxation curve of 7050 aluminum alloys exhibits a classical logarithmic decrement curve.
结果表明：时效温度范围内7050铝合金的应力松弛曲线表现为典型的对数衰减曲线。
The logarithmic decrement of the cable is then calculated from the free decay curve of the displacement data.
通过人工激振拉索后，测得拉索的振动波腹点位移衰减时程曲线，计算得拉索的对数衰减率值。
The logarithmic decrement of the cable is then calculated from the free decay curve of the displacement data.
通过人工激振拉索后，测得拉索的振动波腹点位移衰减时程曲线，计算得拉索的对数衰减率值。
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