最終更新日：2022/12/24
BZZZT! the correction is wrong! That's a fathom. A mathom is, quite obvy, a metric_fathom, and rounded to the nearest full meter. Therefor, the unit is equal to exactly 2 meters.
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BZZZT! the correction is wrong! That's a fathom. A mathom is, quite obvy, a metric_fathom, and rounded to the nearest full meter. Therefor, the unit is equal to exactly 2 meters.
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