The histological grades were significantly different between the convex and the concave side of the growth plate in the apex vertebrae (P<0.05).

顶椎椎体生长板凸、凹侧组织学分级差异有统计学意义（<0.05）。

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The analysis and calculation indicate that the image of a square for a wedge prism is in the shape of bell with a convex side rather than with a concave side.

分析和计算都表明，正方形物体经光楔所成的像是凸侧面的钟形而不是凹侧面的钟形。

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The results show that the cooling effectiveness on concave side is better than suction side with laying film cooling holes in concave side at leading edges of turbine blade.

结果表明，叶片前缘压力面侧布置的气膜孔对叶片压力面有很好的冷却效果；

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