scientific speed upgrading

• 科学提速

scientific speed upgrading的用法和样例：

例句

1. With this information, control can send speed up or slow down commands to the disc drive motor.
   根据这些信息，控制系统可以向盘片驱动系统发送提速或降速的指令。
2. Nowadays, the continuous improvement of the train speed results in the high rate of the freight train digression.
   随着我国铁路干线全面提速，货物列车的脱轨事故在每年重大事故中的比率居高不下。