Verifying the effect of the friction between teeth on the output torque fluctuation of a spur gearing through the use of experimental method;

采用数值计算方法对无刷直流电机的电枢反应作了分析，指出了电枢反应对力矩波动的影响。

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In an attempt to thwart a lockout, the NFLPA is gearing the players up to decertify the union, something that was done in 1987 to good effect.

FORBES: NFLPA President Kevin Mawae Sees Players Unified And Ready to Battle a Lockout