板载的并口可以很容易转换成很多设备，例如将输入和输出分离开，或者驱动一组步进马达。
The onboard parallel port can be easily transformed into a multitude of devices, such as discrete inputs and outputs, or to drive a set of stepper motors.
所述转换器对于便携式电子设备是最佳的，它与电池组一同用于供电。
The converter is optimal for portable electronic equipment, which come with a battery pack for power supply.
所述转换器对于便携式电子设备是最佳的，它与电池组一同用于供电。
The converter is optimal for portable electronic equipment, which come with a battery pack for power supply.
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