目的：评价数字标记点质心跟踪法在骨盆位移测量中的可靠性。
Objective: To evaluate the reliability of the digital marker tracing method combined with center-of-mass algorithm in measuring human pelvic displacement.
通过对数字标记点相关法对动物(牛)脊柱的生物力学行为进行测量，得出了比较合理的结果。
In this paper, the marking-dots digital image correlation method was applied to measure the cattle vertebral columns mechanical behavior.
标记的第一个数字表示以抽象单位计算的时间；第二个使用圆括号括起的可选数字表示在该点终止的请求数。
The marker's first number represents time in abstract units; the second optional number enclosed in parenthesis is the number of requests that terminate at this point.
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