The Hubble's primary mirror, nearly eight feet across.
哈勃望远镜的主镜直径将近8英尺。
At last, the back profile of the primary mirror is optimized.
最后对主镜的背部轮廓形状进行了优化。
The special requirement about primary mirror in modern space camera is stated.
叙述了现代空间相机对主镜的特殊要求。
The primary mirror. This is the paraboloidal mirror at the bottom of the tube.
是位于镜筒底部的一块抛物面 镜。
The primary mirror. This is the paraboloidal mirror at the bottom of the tube.
是位于镜筒底部的一块抛物面 镜。
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