求翻译：本系统主要包括主控制电路、电阻测量电路、电流测量电路、电压测量电路、频率测量电路、功率测量电路、显示电路几个模块，是什么意思？

The system includes the main control circuit, the circuit resistance measurement, current measurement circuit, the voltage measurement circuit, measuring circuit, the power measurement circuit, display circuit of several modules,

This system is mainly including the main control circuit, electrical resistivity measuring circuits measuring circuits, voltage, current, frequency measuring circuits measuring circuits, Power Measurement circuits, display of circuit several modules.

This system mainly includes the master control electric circuit, the measure of resistance electric circuit, the electric current metering circuit, the voltage measurement electric circuit, the frequency measurement electric circuit, the power-measuring circuit, display circuit several modules,

The system mainly includes the main control circuit, resistance measurement circuit, current measuring circuit frequency measurement, voltage measurement circuits, circuitry, power measurement circuit, display circuit of several modules,

The system mainly includes the main control circuit, resistance measurement circuit, current measuring circuit frequency measurement, voltage measurement circuits, circuitry, power measurement circuit, display circuit of several modules,