refractor

There are two types: the "obstacle array" and the "path length refractor."

主要有两种类型：障碍型和等长折射型。

You have to wonder if the designers have ever actually been near a working refractor...

你会好奇这个设计者是否真的靠近过一个可以工作的折射镜。

I remember as a child seeing them through my small backyard refractor and it was unmistakable.

我记得小时候用我的小折射镜看它们，是如此的明显。

He began examining nearby galaxies with a 10-inch refractor to see whether any stars had flared up.

他用口径10英寸的折射望远镜巡视邻近的星系，查看是否有恒星已经闪亮。

The preconditioned fastest descent means in inversion achieves simultaneous in - versions of overlying-bed velocity and refractor depth.

反演过程中利用具先决的最速下降法，可解决覆盖层速度和折射界面深度同时反演问题。