These measures brought about some good results and provided necessary guarantee for economic prosperity in the Jiangnan area.
这些措施产生了一定的效果，为江南经济的繁荣提供了必要的保障。
The velocity and acceleration analysis carried out has provided necessary theoretical basis for the kinematic analysis of working equipment.
进行的速度与加速度分析，为工作装置动态分析提供了必要的理论依据。
The velocity and acceleration analysis carried out has provided necessary theoretical basis for the kinematic analysis of working equipment.
进行的速度与加速度分析，为工作装置动态分析提供了必要的理论依据。
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