drag loading meaning in English

动压阻力载荷

The major portion of the loading on an open frame structure consists of the drag loading .
作用在构架外露的结构物上的载荷，大部分是由拖曳载荷构成。
On the research and development platform based om digital signal processor tms320f240 , the paper made experiment of the , control system with 2 . 2kw induction motor . the result proved that the system has better capabilities of draging load , vary ing frequency and calculating speed
在基于tms32of24o的研究开发平台上对一台2 . zkw的感应电动机进行了实验，实验结果证明该控制系统具有较强的带负载能力，较好的变频能力、较好的速度推算能力。
The factors which affect load frequency characteristics are dissected in this thesis . frequency characteristics of constant revolution controlled load 、 synchronous motor dragged load 、 asynchronous motor dragged load and their effect to dynamic frequency characteristics are analysed . conclusion is reached as : increasing the efficiency of asynchronous motor can recede its slip and improve dynamic frequency characteristics
论文深入分析了影响负荷频率特性的因素，分析了恒转速控制工具机、同步机拖动工具机以及异步机拖动工具机的频率特性和它们分别对系统动态频率过程的影响，得出了恒转速控制工具机对系统动态频率不利；提高异步机的效率可降低其转差率，从而改善系统动态频率特性的结论。