求翻译：在技术发达的今天，采用现代功率半导体器件，运用现代电力电子技术，几乎可以随意地改变供电的频率和幅值，以适应各种各样的特殊场合和不同负载的需要。是什么意思？

In the technology era, the use of modern power semiconductor devices, the use of modern power electronics technology, it is almost free to change the frequency and amplitude of the power supply to accommodate a variety of special occasions and different loads.

Today, the use of advanced technology in modern power semiconductor devices, using modern power electronics technology, electricity can be almost arbitrarily change the frequency and significant value to adapt to a variety of special occasions and different load requirements.

In technical developed today, uses the modern power semiconductor device, the utilization modern electric power electronic technology, may change the power supply at will nearly the frequency and the peak-to-peak value, adapts various special occasion and the different load need.

In technology developed today, the use of modern power semiconductor devices, application of modern power electronics, almost can feel free to change the frequency and amplitude of the power supply in order to meet the needs of all sorts of special occasions and different loads.

In technology developed today, the use of modern power semiconductor devices, application of modern power electronics, almost can feel free to change the frequency and amplitude of the power supply in order to meet the needs of all sorts of special occasions and different loads.