| 单词 | supergranulation cell |
| 释义 | supergranulation cell /sooh'peuhr gran'yeuh lay"sheuhn/, Astron. one of a number of large convection cells in the photosphere and chromosphere of the sun, each having a diameter of 10,000-20,000 mi. (16,000-32,000 km) and lasting longer than a day. Also called supergranulation. [1970-75; SUPER- + GRANULATION] |
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