refractor造句怎麼寫
- 造句
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domeless solar refractor
A three-inch refractor will give an excellent view as well as showing Titan.
The preconditioned fastest descent means in inversion achieves simultaneous in - versions of overlying-bed velocity and refractor depth.
The lens telescope, or refractor, was vastly improved when it became possible to manufacture high-quality lenses made from flint glass.
I remember as a child seeing them through my small backyard refractor and it was unmistakable.
A three-inch refractor will give an excellent view.
He began examining nearby galaxies with a 10-inch refractor to see whether any stars had flared up.
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