Translation guide
A technical metric for the average time required to fix a failed component or system. Used in maintenance, engineering, and reliability contexts.
The average time needed to repair a system or component after a failure, used in reliability engineering and maintenance.
The typical time it takes to fix something, used in everyday or business contexts without strict engineering definition.
Natural way to express the concept in non-technical settings. Literally 'average time taken for repair'.
この製品の修理にかかる平均時間はどのくらいですか？
What is the average time it takes to repair this product?
In technical documents, you can use the acronym MTTR as is, but it's often accompanied by the Japanese term 平均修復時間 on first mention. In spoken technical discussions, engineers may say 'エムティーティーアール' or simply '修理時間の平均'.
Standard technical term for MTTR. Used in engineering, IT, and maintenance documentation.
このシステムの平均修復時間は2時間です。
The mean time to repair for this system is 2 hours.
The English acronym is widely understood in Japanese technical fields. Often used in documents and presentations.
MTTRの目標値を設定してください。
Please set the target value for MTTR.
Alternative term, slightly less formal than 平均修復時間. Still common in maintenance contexts.
平均修理時間を短縮する必要があります。
We need to reduce the mean time to repair.
Another common phrasing, slightly more conversational.
平均的な修理時間は3日間です。
The typical repair time is 3 days.