然后医生会仔细检查头皮，判断掉发类型，并可能轻轻拔取少量头发以做检测。
He or she will look closely at your scalp and hair-loss pattern and may gently pull out a few hairs for tests.
本文采用解析法导出了这种差动机构中拔取罗拉的位移，速度和加速度的方程式。
The analytical method is applied in deriving equations for the displacement, velocity and acceleration of the detaching roller installed in the differential mechanism.
本文采用解析法导出了这种差动机构中拔取罗拉的位移，速度和加速度的方程式。
The analytical method is applied in deriving equations for the displacement, velocity and acceleration of the detaching roller installed in the differential mechanism.
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