A comparative study on spatial distribution pattern and its dynamics of Quercus variabilis populations among different forest areas in Shaanxi Proviance, China是什么意思_A comparative study on spatial distribution pattern and its dynamics of Quercus variabilis populations among different forest areas in Shaanxi Proviance, China在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句