And some existing problems are put forward.
并提出了存在的问题。
This article introduced development of the mandibular rotation study and some existing problems.
本文介绍了功能矫治中下颌骨旋转的研究进展及存在的问题。
The ultimate bending strength calculating formulas for the plate are proposed and some existing problems are analysed in the paper.
文中提出了周边梁支承的钢筋混凝土园形板抗弯极限强度的计算公式并对一些存在问题进行了分析讨论。
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