Faced with the "blooming, buzzing confusion" of the real world, policymakers often fall back on the highest-order principles and the broadest presumptions.

面临现实世界喧嚣繁芜的困惑，决策者通常求助于最高原则和最广泛的假设。

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Methods Patients' back broadest muscle as the representative field of back's myoelectric activity, the integral of its surface electromyogram was measured to be the physiological index.

方法以背阔肌为背部肌电活性状况的代表区域，测量其体表肌电图的积分值作为评估的生理指标。

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