【计】 主下标

摘要根据云南烤烟气候特点，提出了判别云南烤烟气候类型及其适宜性的指标：热量为一级指标，降水和光照为二级指标。

primary pollutant

primary atypicall pneumonia

primary suture

primary African green monkey kidney

primary, secondary and tertiary industries

primary endoderm, primary endoblast

primary investigation

primary center