This is the most advanced optical telescope in the world.

这是世界上最先进的光学望远镜。

youdao

Construction of world's biggest optical telescope has been approved.

建设世界上最大的光学望远镜的计划已获批准。

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A typical optical telescope might have a diameter a few million times the wavelength of the light it is collecting.

一个典型的光学望远镜或许有一个可以收集几百万倍光波的直径。

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Picture an optical telescope, a really good optical telescope, and you have to think big.

ENGADGET

They are the first planets discovered by the enormous Keck telescope in Hawaii, the sharpest optical telescope in the world.

CNN: Astronomers spy new neighbors outside solar system

This, combined with a new digital camera developed for it by Mitsubishi Electric, will make it the most powerful ground-based optical telescope around.

ECONOMIST: Japan��s new telescope