A study on interspecific association of principal tree species in the communities including Quercus variabilis on the Qinling and Bashan Mt.是什么意思_A study on interspecific association of principal tree species in the communities including Quercus variabilis on the Qinling and Bashan Mt.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句