在海底经历了数百年之后，这些奥尔德尼晶体变成不透明物了，但是Ropars博士和他的团队正在对这些晶体进行测试，并坚信它们也许就是冰洲石。
Several centuries underwater have rendered the Alderney crystal opaque, but Dr Ropars and his team are now examining it, and believe it may be Iceland SPAR.
由于规则的分子排列，结晶质聚合物能反射大多数特定光线并一般表现为不透明的。
Due to the ordered arrangement at molecules, the crystalline polymers reflect most incidents light and generally appear opaque.
氧化物、掩模或标线的不透明区域，或光刻层中不需要的小孔。
A small undesired hole in an oxide opaque region of a mask or reticle or in a photoresist layer.
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