Simply flanking the piezoelectric layer with thin concentric layers of metal would not work because metals tend to have a low viscosity.

仅仅在两侧安放压电层和薄薄的同心金属层是起不了多大作用的，因为金属的粘度很低。

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Concentric internal rotation work did not increase in either group.

两组的同轴内部旋转都没有得到增加。

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Isokinetic dynamometry has been used to quantify shoulder muscle imbalance by determining an eccentric external rotation-to-concentric internal rotation "total work ratio."

等速肌力测试法被用于量化肩关节肌肉不平衡决定离心外部同轴旋转内部旋转总功率。

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Isokinetic dynamometry has been used to quantify shoulder muscle imbalance by determining an eccentric external rotation-to-concentric internal rotation "total work ratio."

等速肌力测试法被用于量化肩关节肌肉不平衡决定离心外部同轴旋转内部旋转总功率。

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