The heating knee pad is characterized by quick and convenient installation of the heating device, quick heating and good warm keeping performance.

本实用新型具有安装发热装置快速方便、发热快、保暖性好的特点。

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STF method with modification of viscous and bow up state was used for theory prediction, and model test for sea-keeping performance was done in towing tank.

理论预报采用STF法，在水动力计算中加入粘性与航态修正；在船模拖曳水池进行耐波性试验。

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The fact Ronaldo failed to appear during the shootout was entirely in keeping with a performance in which he struggled to exert much influence.

WSJ: Euro 2012: Spain Beats Portugal on Penalty Kicks, Stands One Win From Immortality

Consequently, fund managers had a difficult time keeping up with the performance of the index.

FORBES: Active Versus Passive Bond Funds

Murnighan, whose work was cited last week in the Stanford Social Innovation Review, argues that most effective leaders delegate almost everything they do to staff, keeping themselves free to oversee performance and think big.

FORBES: The Key to Great Leadership: Stop Overmanaging