Sequential cropping index

英 美
  • 复种指数
  • cropping n.修剪;剪切;露出;切料头;种植
  • index n.指数;索引;(刻度盘上的)指针v.指出;编索引
  • sequential adj.连续的(序贯的)
    1. Under the precondition of high grain production, cropping index and light energy utilization should be put up continuously so as to make agriculture more profitable.
      在粮食高产前提下,要不断提高复种指数和光能利用律,使农业更为盈利。