N1
JLPT
—
strokes
#1689
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
彼は事務効率をよくする案を出した。
He put forward a plan for improving office efficiency.
どのクーラー一番効率がよいと思いますか。
Which air conditioner do you think is the most efficient?
このコンピューターは強力で効率がよく使いやすい。
This computer is powerful, efficient, and easy to use.
このやり方は、カロリーを得がたい環境ではエネルギー効率がよい。
This behavior is energy-efficient in an environment where calories can be hard to come by.
情報検索の効率を測る尺度として、再現率と適合率というものがある。
As yardsticks to measure the effectiveness of information retrieval there exist those called 'recall ratio' and 'precision ratio'.