Feedback Latency: the bulk of the testing in this workflow is manual, and that means it takes days or weeks to discover the effect of a given change.

反馈延迟：这种工作流程中，大量的测试都是手工方式，这就是说要花费几天甚至几周的时间才能发现原先给出的变更所产生的效果。

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Manual test scripts can be used to provide feedback to development teams in the form of a set of repeatable steps that lead to bugs or usability problems.

手工测试脚本通常为开发小组提供了信息反馈，用导致软件缺陷和使用问题的一组可重复性步骤的形式。

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Fitting valve position feedback on manual valves now also becomes a more attractive option with the size and cost of the open solution.

现在由于开放式解决方案的尺寸和成本的优势，在手动阀上装配位置反馈也变得更有吸引力。

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