DISCUSSION ON INDEX OF TREE FLUSH DEGREE AND ITS APPLICATION IN URBAN ECOLOGICAL ENVIRONMENT QUALITY ASSESSMENT--TAKING JILIN CITY AS AN EXAMPLE是什麼意思_DISCUSSION ON INDEX OF TREE FLUSH DEGREE AND ITS APPLICATION IN URBAN ECOLOGICAL ENVIRONMENT QUALITY ASSESSMENT--TAKING JILIN CITY AS AN EXAMPLE在線翻譯_英語_讀音_用法_例句