ac herculis造句
造句与例句
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- The prototype of these variables, RV Tauri is a RVb type variable which exhibits brightness variations between magnitudes + 9.8 and + 13.3 with a formal period of 78.7 days . The brightest member of the class, R Scuti, is an RVa type, with an apparent magnitude varying from 4.6 to 8.9 and a formal period of 146.5 days . AC Herculis is an example of an RVa type variable.
- It's difficult to see ac herculis in a sentence. 用ac herculis造句挺难的
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