dual speed focuser造句
造句与例句
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- The cylinder case of a dual speed focuser is fixed on the telescope tube.
- The "'Dual speed focuser "'is a amateur astronomical telescopes and laboratory microscopes.
- A 1 : 10 dual speed focuser has a gear ratio of 10 and R = 4.5r.
- A dual speed focuser can provide two focusing speeds by using a set of co-axial knobs, one for fast focusing and another for fine focusing when the film or CCD is near the perfect focal plane.
- It's difficult to see dual speed focuser in a sentence. 用dual speed focuser造句挺难的
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