The author Introduced the divisions of design phases, major standards and codes applied or followed in automatic control field as well as tasks and work processes in new system of engineering design. 介绍了设计阶段的划分、自控专业主要引用或遵循的标准、规范以及工程设计新体制下的任务和工作程序。
Temperature and pressure are two major control factors of hydrocarbon generation. The relation between pressure field and temperature field is very complicated in sediment basins. 温度和压力是烃类形成的两个主要控制因素,在沉积盆地中温度场与压力场之间存在着复杂的相互制约机制。
And strip thickness accuracy is one of the two major quality indicators, thickness control technology is the field of strip rolling two key technologies. 钢板的厚度精度是板带材重要的质量指标之一,因此厚度控制技术也成为了板带轧制领域里的重要技术。
In aluminum cold rolling process, Strip thickness accuracy is one of the two major quality indicators, thickness control is one of the key technologies in Aluminum rolling field. Tension is the significant factor to maintain the normal rolling, and it influences the quality of product. 在铝带轧制中,厚度精度是铝带的两大质量指标之一,厚度控制是铝带轧制领域里的两大关键技术之一;张力是保证轧制正常进行的重要因素,并且直接影响到产品质量。
Chaos system parameter identification plays a major role in the control and synchronism of chaos system, which contains unknown or unmatched parameters. Research on this field is superficial with no effective method. 混沌系统参数辨识在对参数未知、参数不匹配等混沌系统的控制和同步中占有相当重要的地位,但目前的研究还比较薄弱,方法不多。
The pollution from livestock and poultry farming is a major source of current rural environment, how to control the pollution is the focus of attention of the government departments and experts and scholars in the field of environmental science. 畜禽养殖污染是当前农村环境的主要来源,如何控制与治理畜禽养殖污染是政府部门和环境学领域专家学者关注的焦点问题。