近年来,经济效益问题已得到人们普遍关注。工农业生产产量和产值的提高已不再是唯一重要的经济指标。人们更关心的是提高生产效率,改进产品质量,降低消耗,以最少的人力、物力来获取尽可能多的收益。 In recent years, the issue of economic efficiency has received widespread attention. The increase of output and output of industry and agriculture is no longer the only important economic indicator. People are more concerned about improving production efficiency, improving product quality, reducing consumption and gaining as much profit as possible with the least manpower and material resources.