F1 layer
زبان مبدأ: انگلیسی
ترجمه به فارسی
- واژهنامه · Merriam-Webster Collegiate Dictionary F 1 layer Pronunciation: ' ef- ' wən- Function: noun Date: 1933 : the lower of the two layers into which the F region of the ionosphere splits in the daytime that occurs at varying heights from about 80 to 120 miles (130 to 200 kilometers) above the earth's surface