If the response is unsatisfactory and modification of the plant is unacceptable , a design phase is necessary to select the control elements ( the controller ) needed to improve the dynamic performance to acceptable levels 如果响应不满意且不能改变对象,则需要第二阶段:选择控制元件(控制器)以将性能指标改进至可接受的水平。
Three - phase scr controlled rectification power supply has been widely used in the high power industry area . the key control elements of trigger and regulator are hotspots of research in power electronics field 三相晶闸管可控整流电源广泛应用于大功率工业控制领域,其中的核心控制环节触发器和调节器的设计是电力电子领域的研究热点。
For instance , you can write your own control element to , say , display scientific data that your application works with and have it properly follow the user s choice of visual style , just like native gtk controls do 例如,可以编写自己的控制元素,比如说用于显示应用程序处理的科学数据,并让它正确地遵照用户选择的显示风格,就像gtk +自身的控件那样。
The clpg mutation is a a g substitution 32 . 8 kb upstream of gtl2 , which was later shown to be the only difference between the callipyge and wild - type chromosome in what is probably a long - range control element ( lrce ) 2002年, freking等人发现了一个位于gtl2基因上游32 . 8kb的a g的突变,这一突变位于一个新发现的转录本clpg1内部,它是callipyge羊和正常羊的唯一不同之处。
You can assign style attributes to the button in the opening tag of the control element , include formatting elements around the text that you insert between the opening and closing tags of the control , or assign property value changes for the client - side 例如,可以在控件元素的开始标记中向按钮分配样式属性,在插入到控件的开始和结束标记之间的文本周围添加格式设置元素,或者为客户端的