The granularity fields obtained from three methods are intersected to obtain the granularity which meets the requirement of the three methods, namely the optimal granularity.
对三种方法各自得出的粒度域取交集，得出满足三者要求的粒度，即为最佳粒度。
The granularity fields obtained from three methods are intersected to obtain the granularity which meets the requirement of the three methods, namely the optimal granularity.
对三种方法各自得出的粒度域取交集，得出满足三者要求的粒度，即为最佳粒度。
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