最小的控制界优化数学模型，最后给出主要研究过程、最优控制下限的数学表达式及其适用条件。
Major parts of the researching process, the formula for the optical control limits and the application condi.
本文以一个价格下限模型为例，说明通过控制旅游者数量的方式限制经营者的可能实现途径。
This study, with price floor model as an example, indicates that it is feasible to limit the operators by controlling the number of tourists.
多功能限制器具有重量控制功能，并且有上、下限位功能。
The multifunctional limit instrument has the function of controlling weight, and the function of up, down position limit.
为确定烟草的适度亏水效应及烟草水分生理灌溉指标，进行了烟草蒸渗仪试验，通过控制土壤水分下限研究烟草的适度亏水效应。
Experimental study was performed to determine the moderate water deficit effect and physiological irrigation index of tobacco with lysimeters by controlling the lower limit of soil water content.
任一点超出上限或下限控制。
单井日产量下限、单井控制地质储量下限是衡量高含硫气田达到经济高效开发的定量指标。
Lower limit of daily oil production and controlled geologic reserves of single well are the quantitative targets of high-efficiency development in the high-sulfur gas fields.
讨论了空气重介流化床分选对入料粒度上下限的控制方法和存在问题，介绍了潮湿原煤空气分级新方法。
The problems in controlling upper size and lower size of feed into an air solid fluidized bed were discussed, and then an air classification technology of moist raw coal was introduced.
当电压、谐波测量显示值超出设定的上、下限保护值的范围时，控制器报警指示灯亮。
When display value of voltage is out of the scope of upper and lower limit protection value, alarm indication lamp of controller is lighted.
仪表设上、下限二位开关型接点装置，在压力达到设定值时发出信号或通断控制电路，供作业系统自动控制或发讯用。
Instruments based on the lower limit of two switch-contact device, the pressure to set a signal or when the value of on-off control circuit for the operating system's automatic control or the use.
利用拟合的分布控制行程时间的中心线、上下限，从而对行程时间的可接受极限值进行界定，对道路网行程质量进行控制。
The range of acceptable traveltime can be obtained through the center, upper and lower bounds controlled by fitting distribution in quality control.
应用电子技术按设定频率上、下限实现自动转换的双通道积分电路，并按此设计PLC控制的变频调速高楼供水系统。
Variable frequency altering-speed system of supplying water for high building using PLC control was designed by double-channel integral circuit.
控制参数的引入可以使电压无功控制装置根据系统运行状态不断修正电压和无功的上下限值，从而使控制策略具有一定的自适应性。
The control parameter can help to modify the voltage and reactive power's upper limit and lower limit, which make the control tactics adaptive.
通过温度控制器调节温度的上限值和下限值，可使工作台在合适的温度范围内进行工作。
Temperature control mode: Inlet temperature controller, intelligent PID temperature control, stable and reliable, and be capable to adjust operating parameters based on operation environment.
通过温度控制器调节温度的上限值和下限值，可使工作台在合适的温度范围内进行工作。
Temperature control mode: Inlet temperature controller, intelligent PID temperature control, stable and reliable, and be capable to adjust operating parameters based on operation environment.
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