树木和天然晶体会从中心点向各个方向外生长。
Trees and natural crystals grow outward in all directions from a central point.
目前，使用最多、性能优良的偏光器件是由天然晶体冰洲石制作的棱镜型起(检)偏镜以及偏光分束镜。
Today, polarizer used frequently and of excellent performance are polarizing prism and beam splitter prism, which are made by Iceland.
这是一个一体化的晶体移除和替换设备，看起来很像一个机器人，它被设计用来治疗那些天然晶体正在变混浊而导致失明的人们。
This is an all-in-one lens removal and replacement kit, looking rather like a robot, that is designed to treat people whose natural lenses are going cloudy, thus making them blind.
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