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把对农田系统的诸多投入,换算成能量来衡量投入水平和效率是国内外通用的方式。与国内外相比,黑龙江省技能水平不高,产出能较高,能量转换效率高,投入产出比为1:3.51,属于低投地区,投入、产出潜力很大.
Many inputs into farmland systems, converted into energy to measure the level of input and efficiency is a common way at home and abroad. Compared with other countries at home and abroad, Heilongjiang Province has a low level of skills, high output, high energy conversion efficiency, and an input-output ratio of 1: 3.51.