如何提高定子电阻的观测精度是改善无速度传感器直接转矩控制系统低速特性的关键。
How to enhance resistance detector precision is the key to improve the low-speed performance of DTC system.
在制冷系统控制器确定为低负荷情况时，可变速驱动控制器以运转的较低速度模式操作压缩机马达。
When a low load situation has been determined by the refrigerant system controls, the variable speed drive operates the compressor motor at lower speed mode of operation.
光子交换技术是解决高速的光纤传输系统和低速的电子交换系统之间速度失配的根本措施。
Photon switching technology is a fundamental solution to the speed unmatch between optical fibre system with high transmission speed and electronic switching system with slow switching speed.
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