求翻译：利用变频技术将三相交流电整流为单相直流，然后逆变为所需要频率的三相方波交流电。采用职能控制技术和高性能电子元件，完成匀速步进，间歇供电，反复启停，步进和反复换向，断电后自动重启，自动报警保护等功能。是什么意思？

Rectifier three-phase AC single-phase DC inverter for the required frequency of three-phase square wave AC inverter technology. Functions of the control technology and high-performance electronic components, to complete the uniform stepping, intermittent power supply, repeated start and stop, step,

Using variable frequency technology will be 3-phase AC power to single-phase rectifier DC, and then turn into the required frequency of the wave 3 AC. Control Functions in technology, and high-performance electronic components, and complete natural speed step, intermittent electricity supply, repeat

Using the frequency conversion technology the three-phase AC rectification is the single-phase cocurrent, then the inversion for needs the frequency the three-phase square-wave alternating current.Uses the function control technology and the high performance electronic component, completes the unifo

Using frequency conversion technology for three-phase AC rectifier for single phase DC, and then reverse into the required frequency three-phase square wave alternating current. Using function control technology and high performance electronic components, complete uniform stepping, intermittent powe