rep·e·tend /ˈrɛpəˌtɛnd/
循環節,反復語句
Rep·e·tend n. Math. That part of a circulating decimal which recurs continually, ad infinitum: -- sometimes indicated by a dot over the first and last figures; thus, in the circulating decimal .728328328 + (otherwise .7<2dot/8<3dot/), the repetend is 283.
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