It has a good practical effect.
实用效果很好。
The experimental result indicates that this furnace has high burning efficiency and good practical effect.
试验结果表明，该炉燃烧效率较高，实用效果好。
The analysis of technical economy shows that this method is of high accuracy, high speed, and good practical effect.
技术经济分析表明，其测量精度高，速度快，实践效果良好。
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