TWAIN is a specification of image interface adopted broadly, and TWAIN source is the software to control and interface image devices abiding by TWAIN.

TWAIN是已被广泛支持的图像接口规范，TWAIN源是支持此规范的图像设备控制和接口软件。

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The hardware of the example adopts DSP motion control card self-developed, the software architecture USES COM technology, and the hardware driver program conforms to OPC specification.

该实例的硬件采用自行开发的DSP运动控制卡，软件采用COM技术，硬件驱动程序符合OPC规范。

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According to the specification of equipment, the hardware and PLC application software have been designed. This control system has been used in double wires electroslag welding.

根据设备的技术要求设计了系统硬件和PLC应用软件，该系统已用于自制双丝电渣焊设备。

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