短語(yǔ)詞組短語(yǔ)chlorophyll deficiency mutation 葉綠素缺失突變chlorophyll deficient mutation 葉綠素缺失突變frequency of induced chlorophyll mutation 誘發(fā)葉綠素突變頻率mutation of chlorophyll 葉綠素突變 返回 chlorophyll mutation