opta
abbr.
optimal performance theoretically attainable (plot) 理论上可达到的最佳性能（曲线）;
Organ and Piano Teachers Association 风琴和钢琴教师协会;
例句:
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Opta holders ended up on the same credit line as bondholders.
来自WSJ
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Statistics provided by Opta.
来自BBC
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Thanks to Opta Sports, BBC Sport provides a breakdown of the year in numbers.
来自BBC