Utilization ratio of agricultural resource of paddy fields means an input-output transform ratio of agricultural resource ( mainly includes seed rice, fingerling, chemical fertilizer, pesticide, feed farm manure, hay) of unit paddy field. 稻田的农业资源利用效率是指单位稻田的农业资源(主要包括稻种、鱼种、化肥、农药、饲料、农家肥、草料等)转化为产出量的效率。
Input-output Unit Design for Communication Mobile Station Underground Coal Mine 煤矿井下通信移动台输入输出单元的设计