定期测试与维护英中对照翻译文件

6.5.3 Periodic testing and maintenance 定期测试与维护
The I&C systems and equipment should be designed and configured to readily support in-service testing and providing built-in test features, including self diagnostics for continuous on-line testing and automated functional testing for periodic surveillance testing. 设计和设置I&C系统与设备时，应使其可随时支持运行中测试和提供内置的测试装置，包括对连续联机测试的自检和对定期监督测试的自动化动能测试。

The purpose shall be to limit human intervention for testing between outages.目的是为了限制对停运间测试的人为干涉。

The availability of the I&C systems and equipment associated with Safety Functions shall be checked in all Operational modes. 在所有运行模式中，与安全功能有关的I&C系统与设备的可用性都应进行检查。

Failures of the I&C systems and equipment associated with Safety Functions shall be self-announcing as far as possible. 与安全功能有关的I&C系统与设备的故障应尽在可能的范围内自行通告。

Beijing Chinese Subtitling Translation Service Agency has translated many technical documents about Periodic testing and maintenance.
华译网上海翻译公司曾经翻译过大量有关定期测试与维护的资料文件。

Immediate and reliable detection and monitoring of failures is necessary to prevent accumulation of undetected faults resulting in unacceptable deterioration of the overall reliability of the Safety Functions. Detected failures are removed as soon as possible. 为了防止安全功能总体可靠性不可接受的退化所导致的未发现故障的积聚，有必要进行直接可靠的故障检测和监视。检测到的故障应尽快地消除。

The I&C systems and equipment associated with Safety Functions shall allow a periodical and sufficiently complete test to detect and monitor failures which are not self-announced. The frequency of periodic testing is determined as a function of the reliability requirements for the I&C systems and equipment. 与安全功能有关的I&C系统与设备应允许实施定期的、十分完整的测试，以检测和监督那些未自行通告的故障。定期测试的频率作为I&C系统与设备的可靠性要求功能来确定。

Tests and maintenance shall not prevent the Safety Functions from being carried out. 测试和维护不应阻止安全功能的实施。

When performed, tests shall not disturb the Normal Operation.在实施时，测试不应干扰正常运行。

Testing and maintenance needs shall be considered at the design stage of the I&C systems and equipment in order to ensure a final design allowing easy tests and preventing testing or maintenance errors. 为了确保最终设计能够方便进行测试以及防止出现测试或维护措施，在I&C系统与设备的设计阶段就应考虑到测试和维护的需要。

Where testing has to be performed manually, it shall be designed to minimize the amount of time the system is required to be in the test mode. 如果测试必须手动进行，相应的设计应使系统需要处于测试模式的时间数量达到最小化。

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