求翻译：这也是因为电机技术在中国已经发展多年，本身就比较成熟，纯电动汽车技术发展很大程度上是由电机工业整体发展规划决定的是什么意思？

This is because the motor technology has been developed in China for many years, itself is more mature, development of pure electric vehicle technology from the motor industry is largely determined by the overall development plan

This is also because electrical technology has many years of development in China itself, it is more mature, and pure electric vehicle technology development is determined largely by the electrical industry's overall development planning decision

This also is because the electrical machinery technology already developed in China many years, itself quite was mature, the pure electric automobile technological development was to a great extent develops the plan decision by the electrical machinery industry whole

This is also because motor technology has been developed in China for many years, itself relatively mature, pure electric vehicle technology development is to a large extent determined by the motor industry development plan

This is also because motor technology has been developed in China for many years, itself relatively mature, pure electric vehicle technology development is to a large extent determined by the motor industry development plan