The rice yield of R3 was higher than that of R1 and R2, possibly because of the higher organic matter content this system maintained in R3.是什么意思_The rice yield of R3 was higher than that of R1 and R2, possibly because of the higher organic matter content this system maintained in R3.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句