项目组合管理治理提供了连续性、调整，及演进的相关性的要素，如果想要一个组织过程被持续的使用，那这些要素是必要的。
Portfolio management governance provides the elements of continuity, adjustment, and evolving relevance, which is necessary if an organizational process is to continue to be used.
该算法利用拉普拉斯微分算子对像素灰度值的不连续性进行量化，根据微分算子对灰度突变的响应强度进行自动调整掩模内的各像素权值。
The algorithm can measure discontinuity of gray values by using Laplacian and adjust automatically gray values according to intensity of response to gray mutation in Laplacian.
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