注水开发油田累计产水量和累计产油量存在一定的相关性，在半对数坐标上呈近似直线关系。
There is a correlation between accumulated water production rate and accumulated oil production rate, which is a linear relation on semilog coordinate.
累积塑性应变能随着加载频率及应力水平的增加而增加，与疲劳寿命在半对数坐标下呈线性关系。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
累积塑性应变能随着加载频率及应力水平的增加而增加，与疲劳寿命在半对数坐标下呈线性关系。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
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