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JLPT
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strokes
#44441
frequency
Not started
Mastered counts as known everywhere (frontier, map, extension) but never appears in the quiz again. New wipes the review history for this item.
例文 · examples
適合率とは取り出した記事のうち、どの程度の記事が検索条件に合っているかを示す指標です。
The precision ratio is an index that indicates how many articles meet the search criteria out of all of the articles retrieved.