The concepts of maximum yield research( MYR) were first introduced to China when four Chinese scientists attended the first international symposium on maximum yield research in New Delhi, India in1988.是什么意思_The concepts of maximum yield research( MYR) were first introduced to China when four Chinese scientists attended the first international symposium on maximum yield research in New Delhi, India in1988.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句