但作为国内航运企业实施国内安全管理规则，建立、实施、运行安全管理体系，目前国内没有统一标准，需进行专门研究。
We should research on it specially, because there aren't the uniform standard of the local safety management rule and system of the domestic shipping enterprise.
对环境和职业健康安全管理体系中的管理方案和运行控制的关系的简单论述。
Outline the relation between management plan and operational control of the environment and occupational health safety control system.
在网络安全方面，运用数字签名、CA认证和用户分级管理体系确保系统在网络运行中的安全性和网络传输的有效性。
As to network safety, digital signature, ca authentication and graded custom management have been applied to insure the safety and efficiency in the network running and transferring.
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