The proportion of time expended in Each and every cloud address band, categorized by the percentage with the sky included by clouds. Ngoài c? s? v?t ch?t t?i tân và liên t?c ???c c?i ti?n ?? t?ng c??ng tr?i nghi?m h?c t?p c?a h?c sinh, Tr??ng còn cung c?p h?n eigh