分析了二甲醚作为一种新型洁净燃料，用做柴油发动机燃料、民用燃料的可行性，介绍了二甲醚的生产、研究现状及市场前景。
It analyses the practicability for using dimethyl ether as diesel fuel and civil fuel, introduces production and research state and market foreground for dimethyl ether.
对工艺设计与生产调度集成的必要性和可行性进行了分析，讨论了工艺设计与车间作业计划之间的关系。
The necessity and feasibility of the integration of process planning and production scheduling and the relations between CAPP and shop job scheduling are analyzed.
阐述了黑钙土区的环境特点，从经济效益、生态效益、社会效益及生产技术等方面分析了种植甘草的可行性。
Elaborate environment characteristic of chernozem soil area, analysis feasibility of planting licorice with ecological benefit? zoology benefit? society benefit and production technology.
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