The beam is then shaped to fill the entire 20.3 cm diameter output aperture of the Schmidt-Cassegrain telescope.

梁再来填充整个20.3厘米直径输出孔径施密特·格伦千里镜地外形。

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The beam is then shaped to fill the entire 20.3 cm diameter output aperture of the Schmidt-Cassegrain telescope.

梁再来填充整个20.3厘米直径输出孔径施密特·格伦千里镜地外形。

youdao