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1·His figure looks very funny in the concave mirror.

他的样子在凹镜里显得非常可笑。

2·The diameter of a sphere is four times the focal length of a concave mirror cut from it.

凹面镜如果是从圆球上切下来的，圆球的直径会是凹面镜焦距的四倍。

3·Collectively, the faces of all the tiny airborne ice crystals act as a giant concave mirror.

总的来说，所有微小的空中冰晶的面孔扮作一块巨大的凹镜。

4·The laser consists of a semiconductor laser with single mode fiber coupled output, polarization controller, PLZT electro-optic ceramic deflector, and output concave mirror.

该激光器由带单模尾纤输出的半导体激光器、光纤偏振控制器、PLZT电光陶瓷偏转器和输出凹面镜等组成。

5·Observation eyepiece consists of concave mirror and a separate gate is formed, in the eyepiece can be seen at the same time the two semicircle color, its left for the sample color.

观察目镜由凹镜和分隔栅组成，在目镜中可同时看到二个半圆色，其左边的为试样颜色。

6·The mirror is concave.

镜子呈凹面。

凹镜

1·Observation eyepiece consists of concave mirror and a separate gate is formed, in the eyepiece can be seen at the same time the two semicircle color, its left for the sample color.

观察目镜由凹镜和分隔栅组成，在目镜中可同时看到二个半圆色，其左边的为试样颜色。

2·Collectively, the faces of all the tiny airborne ice crystals act as a giant concave mirror.

总的来说，所有微小的空中冰晶的面孔扮作一块巨大的凹镜。

凹面镜

1·The laser consists of a semiconductor laser with single mode fiber coupled output, polarization controller, PLZT electro-optic ceramic deflector, and output concave mirror.

该激光器由带单模尾纤输出的半导体激光器、光纤偏振控制器、PLZT电光陶瓷偏转器和输出凹面镜等组成。