The induced double speed driving technology has greatly improved the moving image quality. 倍频技术的引进大大改善了液晶显示器件运动图像的质量。
The paper introduces the main performance indexes of double speed three phase asynchronous motor used in electric chain hoist and the problems which occor in the test and manufacture process. 本文介绍了电动环链葫芦用三相双速(DS)异步电动机的主要性能指标以及在试制过程中遇到的问题。
He becomes independent at double speed, and no longer needs his father's support. 他以双倍的速度开始自立,不再需要他父亲的支撑。
The Analysis of Energy Saving in the Process of Pole Changing Control for Double Winding Double Speed(DS) Induction Motor 双绕组双速(DS)感应电动机变极过程的节能分析上层绕组区-双层绕组的
Discussion of Connection Type of Motor Stator Winding in Common Double Speed(DS) Fan 常用双速(DS)风机的电机定子绕组接线型式的讨论