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他毕业时各科成绩的平均积分点为3.8。
平均积分：过去几天平均被授予的积分。
Average credit: the average credit granted over the last few days.
对于同一河道，由于高程与河道断面特性平均积分曲线不变。
To the same river section the absolute elevation and the equalized integrated curve of the cros section characteristics of the river are the same.
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