武汉精伦电子开发的二代身份证读卡系列机具适用于相关行业的联机型应用。产品提供了完善的二次软件开发接口（API）。本手册对开发接口的文件组成、函数定义格式、调用方法及返回值等进行详细的说明(The second generation ID card reader series developed by Wuhan Jinglun Electronics is suitable for online applications in related industries. The product provides a perfect secondary software development interface (API). This manual describes in detail the file composition, function definition format, calling method and return value of the development interface.)