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1. This Vycor glass is extremely clear and has a high refractive index.
这种冕玻璃非常清澈，折射率非常高。
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2. The Vycor glass window was designed to reduce heat transfer through the walls.
这种冕玻璃窗户的设计是为了减少热量通过墙壁的传递。
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3. Vycor glass is commonly used in high-speed trains for its durability and low weight.
冕玻璃常用于高速列车中，因为它耐用且重量轻。