介绍了IRIG-B码对时的概念、IRIG-B码对时模块的组成，其组成部分包括微处理器、电平转换器件、光耦隔离器。

The paper introduces the time synchronization conception of the IRIG-B format code and its module constructions which include microprocessor, level converter and optically coupled isolator.

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在隔离的开发和测试环境中实作并测试所有资料库程序码之后，资料库管理员(DBA)就会将这些变更部署至执行和实际执行环境。

After you implement and test all database code in isolated development and testing environments, the database administrator (DBA) deploys those changes into the staging and production environments.

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