With the palm, massage every 100 will clockwise and counterclockwise circle, the massage 50 2 ~ 3 times a day.
用手掌按摩百会穴，每次按顺时针方向和逆时针方向各按摩50圈，每日2 ~3次。
Two more destroyers were trailing black smoke, moving at only half speed. They were maneuvering in a counterclockwise circle around Yamato, adding their guns to the collective fire.
另两艘驱逐舰也冒着长长的黑烟，航速只有先前的一半，它们行驶过来后呈逆时针方向环绕大和号，以便集中对空火力。
Now, the range of values for t, well, we are going counterclockwise around the entire circle so that should go from zero to 2pi.
这就变成了关于t的积分，这是一个逆时针旋转的整圆,那么t就是从0到2π
Now, the range of values for t, well, we are going counterclockwise around the entire circle so that should go from zero to 2pi.
这就变成了关于t的积分，这是一个逆时针旋转的整圆,那么t就是从0到2π
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