Methods 8 males were selected to refix the black markers by the same operator and remeasure 14 items by the system, then compare both results. 方法由同一名操作者在对8名男性完成采像后擦去标记,进行重新定点测量,比较14个标志点至鼻根点空间线距的前后结果。
Every time when try to remove the vibration problem, we need to reassemble the main generator-diesel generating set or replace flexible coupling or inspect the rubber bearing sometime even refix engine, which involving a lot of increased production cost such as labor force and material. 由于每次处理机车振动需对主发电机-柴油机机组进行重新组装,或更换弹性联轴节,或检查橡胶支承,或重新座柴等,所需人力物力等生产成本极高。