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Hydrostatic and pneumatic supports of telescope mirror are described for its operating principle, structure type and design.

本文阐述了用于大型天文光学望远镜主、付镜的气压、液压支承的运行原理及结构形式和设计方法。

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It can be as impressive as a telescope mirror the width of a tennis court or as small and simple as a marble rolling across dirt.

玻璃的方式能够年夜到有网球场宽度巨细的千里镜之镜片那样令人印象深入，或者小儿简单的像在土壤里滚动的弹珠。

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In his first observations from Mount Wilson, Hubble used a telescope with a mirror one hundred fifty-two centimeters across.

VOA: special.2009.04.29

The James Webb Space Telescope, named after NASA's second director, will have a mirror seven times the size of the Hubble Space Telescope.

VOA: special.2011.05.23

But when the telescope reached orbit, NASA scientists were shocked to discover that the costly mirror of the telescope had not been shaped correctly.

VOA: special.2009.09.30

This is done using a technique called interferometry, which merges the beams of light in a way that simulates the sharpness (though not the brightness) of the images that would be obtained from a telescope whose mirror was 200 metres across.

ECONOMIST: Beneath the Southern Cross I stand | The

There is more to a telescope than its mirror, of course.

ECONOMIST: Mirror, mirror

Each telescope has a mirror just 10cm across, yet working together they detected the microscopic dimming caused by a planet getting in the way of the distant star.

ECONOMIST: Astronomers may have found their first Saturn lookalike