Increasing speed equation based on equal efficiency curved surface production function 基于等效益面生产函数的增长速度方程
Primary function terminated when Rubikon disintegration reached three cubits inwards and increasing. 卢比刚分解达向内三腕尺以上时,主要功能中断。
The function of improving phosphate level and the effect of increasing phosphate level or adding dry materials of plant by returning straw to soil directly 秸杆还田的增磷作用及对植株全磷含量干物质积累的影响