In this paper, Analysis on the difference between designedspeed and actual speed of NdFeB DC Motor is described in detail.
针对钕铁硼直流电动机额定转速实测值与设计值差异的现象进行了详细分析，指出了两类原因使这种差异存在。
2
The basic requirements of designing high-speed railway are to ensure the train's safe, reliable and comfortable operation based on designedspeed.
高速铁路设计的基本要求就是保证高速列车以设计速度安全、可靠、舒适地运行。
3
There are no systematic regulations about speed restriction on highways in our country. The governed speed is usually the highways' designedspeed, which has enormous disadvantages.