diversified farm造句

• The adaptive restructuring has gone through 3 periods , one in which the grain production was taken as the baseline to drive behind the aggregate growth , followed by that the grain production should never be let loose but diversified farming be explored , and then by the phase that targets at the efficient farming for high yield and quality
  中国农业适应性结构调整经历了三个阶段： “以粮为纲，全面发展”的阶段、 “决不放松粮食生产、积极发展多种经营”的阶段、发展“高产、优质、高效农业”的阶段。