带时间和边数约束的双约束最短路问题是NP完备的。

The shortest path problem with two additional constraints in transition time and number of edges is NP Complete.

youdao

重点介绍了单约束、双约束模板混凝土施工，节点处理，屋面混凝土标高控制，混凝土养护等施工工艺。

Furthermore, the concrete construction with single and double constraint formwork, joint management, elevation control, and concrete maintenance are introduced in detail.

youdao

并讨论了双公用齿轮机构优化设计的目标函数和约束条件。

Then in this paper the object functions -and restrained conditions for optimum design are discussed.

youdao