On the average the Fried parameter r0 is equal to 15. 75cm(equivlent to FWHM=0. 698) at 23h -00h for whole year.是什么意思_On the average the Fried parameter r0 is equal to 15. 75cm(equivlent to FWHM=0. 698) at 23h -00h for whole year.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句