IMS的接入认证机制的实现作为整个IMS安全方案实施的第一步，是保证IMS系统安全的关键。

The implementation of IMS access authentication mechanism, which is considered to be the first step of the whole IMS security plan, is the key to the IMS system security access.

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研究提出海关信息系统及网络安全技术方案并组织实施。

To study and put forward technical plans for customs information system and network safety and organize implementation accordingly.;

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一旦开始，项目经理负责并监督整个项目履行实施该项目安全管理方案。

Once developed the project Manager is charged with the responsibility for the full implementation, observations and compliance with the PSMP (project safety management plan).

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