卧式加工中心在早期故障期时，故障率曲线为递减型，间隔时间服从威布尔分布。
The failure curve of the horizontal machine center during the forepart fault is degressive, the internal time is Weibull distribution.
坡面各部位相对侵蚀量随时间的变化可能存在三种模式，增长递减型、递增型和波动型。
It was concluded that the distribution pattern of erosion with the rainfall time expressed three types, they were increase-decreasing type, increasing type and wave type.
坡面各部位相对侵蚀量随时间的变化可能存在三种模式，增长递减型、递增型和波动型。
It was concluded that the distribution pattern of erosion with the rainfall time expressed three types, they were increase-decreasing type, increasing type and wave type.
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