单词 | Parabolic mirror |
例句 | 1, With a cylindrical parabolic mirror collection sunlight lit the torch. 2, The reflector adopts parabolic mirror with chromium - plated finish, high reflectivity and even illuminance in illuminated surface. 3, The quantative test of lightweight 630 quartz parabolic mirror has firstly been implemented with this method. 4, She uses a parabolic mirror to focus light rays from the sun. 5, Sunlight comes into the fibre - optic cables through holes in the parabolic mirror. |
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