A small rounded piece of cork or rubber with a conical crown of feathers or plastic, used in badminton.
羽毛球，一个由软木或橡胶制的小圆物体，带有羽毛或塑料的圆锥形球冠，用于羽毛球运动中。
The physical properties of medium-vinyl butadiene rubber (MVBR) and its application in crown compound of bias truck tire were experimentally compared to those of BR.
试验对比中乙烯基聚丁二烯橡胶(MVBR)和BR基本物理性能和在胎冠胶中的应用效果。
The results indicated that the solar radiation intensity under the rubber crown canopy was reduced along with the intercropping layer added.
结果表明，随着林内层次的增加，林内太阳辐射量急剧减少；
The results indicated that the solar radiation intensity under the rubber crown canopy was reduced along with the intercropping layer added.
结果表明，随着林内层次的增加，林内太阳辐射量急剧减少；
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