The US can expect to be the sole superpower for some time yet, if we mean by the term a state capable of deploying effective power almost anywhere in the world.
美国仍可以指望在一段时间内作为唯一的超级强权，如果我们衡量的条件是一个国家是否能在几乎全世界各地都部署有效力量。
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 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。
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