OBA：论基数平均
在体育领域，尤其是在棒球统计中，“On Base Average” 是一个衡量击球员上垒能力的关键指标。为了书写和使用的便捷，这个词组通常被缩写为“OBA”。其对应的中文翻译是“上垒率”，它反映了击球员通过安打、四坏球保送等方式成功上垒的频率，是评估球员进攻贡献的重要数据之一。
On Base Average的英文发音
例句
- A qualitative explanation based on law of conservation of mass and energy theory of breaking and aggregating of bubble was made. An empirical correlation was presented on the base of experimental data, with average deviation of 6.3 % and the maximum deviation of 20.8 %.
- 并根据质量守恒定理和气泡聚并的能量理论对以上结论做出了定性的解释，另外对实验数据进行了回归分析得到气含率的实验关联式，平均相对偏差为6.3%，最大偏差为20.8%。
- The theory of average rate of profit raised by Marx is scientific and systemic. The theory is on the base of critique inheritance the theory of average rate of profit raised by bourgeoisie classical economist.
- 马克思利润率平均化理论是马克思在批判的继承了资产阶级古典经济学家利涧率平均化理论的基础之上，提出的科学化、系统化的理论。
- The detection data on indoor radon is analyzed in the late citizen construction work in Guangzhou city in 2003. And the level of density of indoor radon is evaluated currently. On the base of evaluation, The citizens annual average effective dose is predicted in Guangzhou city.
- 通过分析2003年广州市部分新建民用建筑工程室内氡浓度检测数据，评价了目前广州市新建民用建筑室内氡浓度的水平，并以此估算广州市居民的年平均有效剂量。
- Calculate average high of different stand in different age phase on the base of foregoing result. Estimate relevant average diameter and wood volume basing correlative growth model.
- 根据立地指数曲线确定不同类型林分在不同林龄阶段的平均树高，利用相关模型推算相应林龄阶段的林分平均胸径和林分平均单株材积。
- The main idea is nodes compute the compete radius based on the distance between it and base station, to minimize the average energy consumption within the radius region.
- 协订念惟非各节里依据取基立的距合盘算合做半径，使半径外节里的平均能量长耗最大；
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