What is weak sight and how can these be optically corrected?

什么是弱视？能通过光学镜片来校正吗？

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The light management device being optically coupled to a polarizer.

所述光处理装置与一个偏振器光耦合。

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Now the telescope is officially optically complete.

现在的望远镜光学正式完成。

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Now the telescope is officially optically complete.

现在的望远镜光学正式完成。

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