The system comprises four modules: an identity verification module, a security precaution module, a game updating module and an online game service module.

该系统包括四个模块：身份验证模块、安全预防模块、游戏更新模块，以及在线游戏服务模块。

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The device comprises a receiving module, a first backtracking module, a verification module, a bifurcation position acquisition module and a second backtracking module.

所述设备包括：接收模块、第一回溯模块、校验模块、分叉位置获得模块和第二回溯模块。

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Fingerprint verification module is responsible of acquiring fingerprint-images, pretreating, extracting minutia and putting minutia vector into database by scheduled flight.

指纹采集模块负责指纹的活体采集，并对其进行预处理和特征提取，将其特征向量按航班存入指纹库。

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