the psychological factor

The causes of errors mainly included two aspects, the standardization of measurement procedures and the psychological factor of individual patients.

产生误差的原因主要包括两个方面，测量过程的规范性和患者个体的心理因素。

During the process of vocality study, there is a indispensable factor and directly affecting the vocality teaching achievement, that is the psychological factor influence.

在声乐学习的过程中，有一个不可或缺的因素，直接影响着声乐的教学成果，那就是心理因素的影响。

Use orderliness and stability to confront chaos and disorder. Use calmness and steadfastness to deal with noisiness and clamour. This is control of the psychological factor.

用自己的整齐对待敌人的混乱，用自己的冷静对待敌人的喧哗，这是掌握用兵时的心理方面。