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大 家 好 - cc.ee.ntu.edu.twcc.ee.ntu.edu.tw/~ultrasound/belab/midterm_oral_files/2010_99_1/9… · 演進 1949年-首片人工水晶體 聚甲基丙烯酸甲酯﹝PMMA﹞的硬塑膠材質
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