The effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power.
这一有效切应力不但是对切应力类水流强度指标的总结，还可以概括平均流速和水流功率等水流强度指标。
The results show that the harmonic pollution of power grid is the basic reasons leading to the unit interconnected failure and the proposed measure is effective.
结果表明，电网谐波污染是机组并网失败的根本原因，并验证了该措施行之有效。
Taking New England 10-unit 39-bus system as the case, the power flow transferring is simulated and simulation results show that the proposed wide area backup protection scheme is effective.
对新英格兰10机39节点系统进行了潮流转移的仿真计算，验证了所提出广域后备保护方案的有效性。
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