Results: a useful level stress, promote the eye blood circulation, improve the pouch and black rim of the eye sight.
效果：有用消弭压力，促进眼周血液轮回，改善眼袋及黑眼圈景象。
Stress distributions on the 1000mm fir tree blade root and the rim are studied through finite element method and photoelastic method.
本文介绍了用有限元和光测弹性方法，研究1米长叶片枞树型叶根和轮缘的应力分布。
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