Power supply high frequency technology is the key for realizing the aim.
制约这个目标实现的关键就是开关电源高频化技术。
The use of inverter technology, high frequency, small size, light weight, easy to carry.
采用先进的逆变技术，工作频率高，体积小，重量轻，便于携带。
The use of inverter technology, high frequency, small size, light weight, easy to carry.
采用先进的逆变技术，工作频率高，体积小，重量轻，便于携带。
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