egf是什么意思

用法例句

A field experiment was conducted in 1999 to investigate differences of adaxial and abaxial surface reflectance of rice leaves under 5 levels of nitrogen fertilization.

在田间条件下测定了 5个氮素水平处理的水稻叶片在分蘖、孕穗和抽穗期的上表面反射率和下表面反射率。

This essay studies the good personal relationship and performance of 86 players of college men s basketball teams in Guangdong.

对粤东高校男子篮球队 86名队员人际关系和谐性、场上表现、投篮命中率进行统计分析。