Definition of 黒点周期 (こくてんしゅうき)
こくてんしゅうき
黒点周期
こくてんしゅうき
kokutenshuuki
noun
•
sunspot cycle
Related Kanji
| 黒 | black |
| 点 | spot, point, mark, speck, decimal point |
| 周 | circumference, circuit, lap |
| 期 | period, time, date, term |
| 黒 | black |
| 点 | spot, point, mark, speck, decimal point |
| 周 | circumference, circuit, lap |
| 期 | period, time, date, term |
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