The fact that certain registered services aren't being used by consumers, probably due to defects in the service, such as poor performance.

使用者可能没有使用某些已注册的服务，其原因可能是由于服务存在缺陷，如性能问题等。

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Over time, service usage defects and additional requirements are created and captured in the repository.

随着时间的推移，将在存储库中创建和捕获服务使用缺陷和其他需求。

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The defects in stainless steel overlay of hot-wall hydrogenation reactor were preliminarily analyzed. Maintaining the reactor in service with defects was suggested.

对加氢热壁反应器不锈钢堆焊防护层的缺陷状况进行了初步分析。对保留缺陷的在役使用。提出了建议。

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"Overall, we found no evidence that service in the Gulf is linked to fathering children with most major defects and this will be reassuring to veterans and their families, " said Dr Pat Doyle, who led the study.

BBC: There were differences in miscarriage rates