hubble's law是什么意思

用法例句

This paper makes a detailed analysis of the process of each stop of the elevator during its operation, and discusses the impact of speed-adjusting distances on the operation efficiency and positioning accuracy.

详细分析了电梯的停站过程 ,重点讨论了换速距离对电梯运行效率和平层精度的影响 ,提出了一种基于自校正模糊推理的换速距离获取方法 ,给出了换速距离推理规则及其自校正推理规则。

the rapid distance relay protection is systematically researched in this paper.

快速距离保护使用了相关原理，通过对线路电量中的故障分量进行计算，判断出故障发生的区间。