It is said that the British Empire is very large and respectable, and that the United States are a first-rate power.

据说大英帝国很大，很可敬，而美利坚合众国是一等强国。

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The paper focuses on the study of dynamics parameters that include flow rate, power consumption, torque and axis force of twin screw pulping extruder.

本文主要对双螺杆磨浆机的动力学参数(流率、功耗、螺杆扭矩和轴向力)进行了研究。

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In the U.S.,electric utilities lead the opposition to copying this rate structure, and to mandating purchases of alternative power.

VOA: standard.2010.03.23

Is there any attempt to rate power generation projects by relative risk to humans, species, or the environment?

FORBES: Mega U.S. Solar Project Threatened by Unlikely Foe

The way wholesale electricity prices work, all producers get the same rate for power at any given time, and that rate is set by the most expensive power source on line at the time.

FORBES: Indian Point Is A Cash Cow

Many athletes use Strava to rank their own performances over time, measuring not only speed and distance but also heart rate, power output and other information.

WSJ: The Last Place Lance Armstrong Can Race