1. 椭圆率：elliptically polarized wave 椭圆偏振波 | ellipticity 椭圆率 | elongation 延长
2. 椭圆度：2777.圆锥度 coning conicity | 2778.椭圆度 ellipticity | 2779.圆锥 cone
3. 椭率：elliptically polarized wave 椭圆偏振波 | ellipticity 椭率 | elongation 伸长
4. 圆度：装配 assembly, installation | 圆度 ellipticity | 剖面 section, cross-section
noun
1. 911chaxun查询·英语单词
1. the property possessed by a round shape that is flattened at the poles
e.g. the oblateness of the planet
Synonym: oblateness