Now people strictly observe the rule against bathing with soap in the river, and there are no longer plastic bags full of marigold offerings floating on its surface.
如今，人们严格遵守着不在河中用香皂洗澡的规定，也不再把装满金盏花塑料袋漂在水面上。
Objective:To observe the orientational angle of articular surface of lumbar vertebra and study its significance in the stability of spine.
目的：探讨腰椎上关节面方位及对腰段脊柱稳定性的影响。
To observe changes of its surface after loading;
观察金瓷冠加载后表面微观结构的变化；
To observe changes of its surface after loading;
观察金瓷冠加载后表面微观结构的变化；
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