The thesis adopts repository system based on restrict theory and genetic arithmetic, models, arithmetic design and implement for order merger, roll plan, cast plan, converter plan of steal enterprise.
文中采用基于约束的知识库系统及遗传算法对钢铁企业生产的合同归并、轧钢计划、连铸计划、转炉计划进行数学建模，算法设计和实现。
By applying cooling down method of adding factory air into the HP system, shortens urea converter cooling down time to a large scale and decreases shutdown losses for enterprise.
通过采用向尿素合成塔加入工厂空气的降温方法，与传统方法相比大幅度缩短降温时间，为企业减少停工损失。
Choose to import CONVERTER and Ultrasonic occurrence machine. For National inner the business enterprise manufacturing Huge Not - standard Ultrasonic equipments.
选用国外进口换能器及超声波发生器为国内生产企业制造大型自动化非标超声波设备。
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