求翻译：对变频器控制电机的原理有一定的了解。对变频器参数的输入、输出、拷贝比较了解。同时对变频器安装和调试也熟悉。是什么意思？

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The principle behind the transducer control Motor has a certain understanding. transducer parameters for the input, output, copy more understanding. While the transducer installation and debugging are also familiar with.

Controls the electrical machinery to the frequency changer the principle to have certain understanding.To frequency changer parameter input, output, copy comparison understanding.Meanwhile is also familiar to the frequency changer installment and the debugging.

Inverter controlled motor principle has some understanding. Input and output parameters of frequency converter, copy more familiar. Inverter installation and commissioning at the same time I know.