平へい均きん故こ障しょう間かん隔かく

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Meanings

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mean time between failures; MTBF

Technical term used in reliability engineering and computing to measure the average time a system operates before failing.

このサーバーの平へい均きん故こ障しょう間かん隔かくは10じゅう万まん時じ間かんです。
The MTBF of this server is 100,000 hours.