Results The height of any point on the surface was evaluated, and it was found that two sides of the sacroiliac joint surface showed reciprocal convexities or elevations.
结果通过测量获得骶髂关节面上任意点的高度，发现骶髂关节两侧关节面呈一种类似齿轮样相互咬合与滑槽轨迹相结合的关节面形态。
The change of inside and surface temperatures of the stockpile is of a dynamic reciprocal process, coal temperatures rises and heating are progressing upwards.
煤堆内部与表面温度的变化是一个动态的逆向过程，煤体的温升和延燃主要是向上；
The change of inside and surface temperatures of the stockpile is of a dynamic reciprocal process, coal temperatures rises and heating are progressing upwards.
煤堆内部与表面温度的变化是一个动态的逆向过程，煤体的温升和延燃主要是向上；
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