在地基的处理中，不仅不需要深挖和平整的工作，而且还可以根据需要将建筑进行升降，进一步增加建筑的灵活性。
The construction of the foundation doesn't involve deep excavation and flattening of the surface and it allows us to adjust the height of the building, adding to its flexibility.
当启动频率较高时，启动时会造成失步，而停止时由于惯性作用又会发生过冲，所以在步进电机控制中必须要采取升降速控制措施。
When the startup speed is higher, stepping motor will lose steps. While stopping, it will also lose steps because of inertia. So, it needs to take speed control measures on control of stepping motor.
当启动频率较高时，启动时会造成失步，而停止时由于惯性作用又会发生过冲，所以在步进电机控制中必须要采取升降速控制措施。
When the startup speed is higher, stepping motor will lose steps. While stopping, it will also lose steps because of inertia. So, it needs to take speed control measures on control of stepping motor.
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