The research of indirect economic effect is significant to upgrade the national economic growth and adjust industrial structure.
间接经济效益的研究对于提高国民经济增长质量，调整产业结构有非常重要的意义。
Metal powder materials have great significance to promote the nonferrous metals industry and chemical industry to upgrade its technology and promote the optimization of the industrial structure.
金属粉体材料对促进有色行业和精细化工行业技术升级，推动优化产业结构具有重要意义。
But the independent innovative capability of domestic high-grade CNC machine tool is not strong. It is urgent to adjust the product structure and upgrade the industrial level.
但国产高档数控机床自主原创能力不强，迫切需要产品结构的调整和产业水平的提升。
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