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本文研究了干牛腔骨骨干密质骨部分沿生长轴方向的拉伸弹性模量沿径向的分布，发现此弹性模量沿径向呈非均匀分布。内外两侧的弹性模量值低于中间部分。提出了一种骨内疲劳裂纹的分布假设，并据此对测试结果进行了初步性的分析。
In this paper, the radial distribution of tensile elastic modulus along the growth axis of the crooked bone of dry caste was found. It was found that this elastic modulus was unevenly distributed in the radial direction. The elastic modulus values on the inner and outer sides are lower than those in the middle. Proposed a distribution of intraocular fatigue cracks hypothesis, and based on the test results for a preliminary analysis.