Photosynthetically active radiation (PAR) had no significant directly influence to the Pn, but through other factors affect Pn indirectly.是什么意思_Photosynthetically active radiation (PAR) had no significant directly influence to the Pn, but through other factors affect Pn indirectly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句