1·The experimental results of the prototype machine show that the proposed SPWM control technique is practical.
样机实验结果验证了该项SPWM控制技术的实用性。
2·Makes prototype machine and experiment, realizes every required function of the system.
制作样机并进行实验。实现系统要求的各项功能。
3·The testing of the prototype machine is complete and modifications are in train.
样机的试验已结束，改型工作准备就绪。