The principles of selecting priority fields of mechanical engineering in National Natural Science Foundation of China in the coming five years are proposed.
提出了国家自然科学基金委员会机械工程学科“十五”优先资助领域的选择原则和学科“十五”优先领域的构想。
In some cases selecting the task is looked at as a wasted step, since the person might need to always select the newest task, highest priority, or by some other sorting method.
在某些情况下，选择任务是多余的步骤，因为用户可能总是要选择最新的任务或优先级最高的任务，或者按其他排序方法选择任务。
Methods for determining the ancestor nodes priority number of the expanded node and selecting effectively the ancestor nodes by means of the priority number are also given.
给出了一个包含有向回路的与或图的求解算法，以及如何确定被扩展节点的祖先节点的优先数，并通过优先数有效地选取祖先节点的方法也在本文中给出。
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