Anything you can do to keep the cell phone as far away from your head as possible will reduce the energy or power level.

你所能做的尽可能使手机远离头部的方法都可以降低能量或功率。

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Keep your posture straight and erect. Your head should be up, your back straight, and shoulders level.

保持您的姿势挺而直，抬起头，挺直腰，双肩水平。

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Keep your posture straight and erect. Your head should be up, your back straight, and shoulders level.

保持您的姿势挺而直，抬起头，挺直腰，双肩水平。

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