不规则性;
On the Complexity and Unregularity of the Developing Cycle in China's Tourism Industry
试论我国旅游业周期波动的复杂性和不规律性&兼与匡林先生商榷
The incidence of acetabulum dysplasia was 15%. showing the unregularity of lunate surface and undensity of acetabulum cartilage.
髋臼异常发生率为15%,臼面不规则、Y形软骨密度不均。
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