closed angle

基本解释

The utility model is to arrange a step-shaped closed angle through groove (1) on the outer side surface at one end of the strip;
是在条体一端的外侧表面上，设有台阶状尖角通槽（1）；
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If transition at the shaft collar of a circular shaft adopting closed angle will bring biggish stress concentration as bearing load.
圆轴轴肩处若采用尖角过渡，承载时将引起较大的应力集中。
For many years laser peripheral iridoplasty is a simple and an effective means of opening closed angle when laser iridotomy can not be performed or dose not physically eliminate angle closure.
许多年以来，人们一直寻找各种方法打开房角，降低眼压。激光周边虹膜成形术就是简单而有效的打开房角的方法。