Leibniz wheel
plural of shopping mall
(transitive, rare) To make grim; to give a stern or forbidding aspect to.
Misspelling of Saracen.
A cylinder with a set of teeth of incremental lengths which, when coupled to a counting wheel, can be used in the calculating engine of a class of mechanical calculators.
そのアンティークの計算機にある、歯の長さが段階的に異なる段付き円筒は、計数精度を回復するために丁寧な清掃が必要だった。
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