BF：球面
“Ball Face”一词在体育领域较为常见，为了书写和表达的便捷，通常缩写为“BF”。这个术语的中文翻译是“球面”，主要用来描述球的表面特征或相关技术参数。无论是球类运动的规则说明，还是器材的技术文档，BF都是一种高效且通用的表达方式。
Ball Face具体释义
- 英文缩写：BF
- 英语全称：Ball Face
- 中文意思：球面
- 中文拼音：qiú miàn
- 相关领域： bf
Ball Face的英文发音
例句
- Soft Volleyball in the Application of the Teaching of Passing the Ball Face(BF) to Face; Services include the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss service.
- 软式排球在正面上手传球教学中的应用发球方法包括，反手上旋球和下旋球，正手上旋球和下旋球。和高抛发球。
- On methods of training feelings of face spike of volleyball; Washers with ball face
- 排球正面扣球技术教学的球感练习法GB/T849-1988球面(BF)垫圈
- Influences on Ball Face(BF) NC Machining Accuracy of Transmission Clearance
- 传动间隙对球面(BF)数控加工精度的影响
- This paper introduced a green process method of miniature electrical machinery axle, which breaked through the traditional process method : it changes the turning both ends half a ball face for cold-heading, and becomes the outer circle to grinding to cold-drawing.
- 介绍了一种微型电机轴的绿色加工方法，它突破了微型电机轴传统的加工方法，改车削两端半球面(BF)为冷镦，变外圆磨削为冷拉。
- Introducing the structural characteristics of ball face sealing of disc in sealing effect, manufacturing process and material selection, and pointing out several improved sealing structures of ball face.
- 介绍了截止阀阀瓣球面(BF)密封在密封效果、制造工艺和材料选用方面较锥面和平面结构的特点。给出了改进后的几种球面(BF)密封结构。
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