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| English | Russian |
| alterations in solar activity | изменения солнечной активности (Wall Street Journal Alex_Odeychuk) |
| changes in solar activity | изменения солнечной активности (Wall Street Journal Alex_Odeychuk) |
| film solar cells | тонкоплёночные фотоэлементы (Alina Barrow) |
| solar noon | солнечный полдень (Lavrin) |
| solar noon | истинный полдень (Lavrin) |
| solar noon | астрономический полдень (that moment of the day that divides the daylight hours for that day exactly in half; the time of day at which the sun is the highest in the sky, this time varies through the year due to the change in speed of the earth's orbit around the sun. Lavrin) |
| solar output | поток энергии солнца (translator911) |