1. Feed it as well with unburned and uncombined foods because that which is simple and natural is best. 同样，去摄取没有烧过和非合成的食物，因为简单和自然是最好的。
2. The result of economic cost analysis showed that a good quality unburned brick and low cost could be obtained by mechanical mixing. 经济成本分析结果表明，用机械搅拌混合方式制作的免烧砖品质好、成本低。
3. A viable technical solution of optimal value of unburned carbon content in the fly ash was developed by hybrid intelligence technique. 为了降低飞灰含碳量，提高锅炉运行水平，运用混合智能技术建立了飞灰含碳量目标值模型。
