“偏心率”的英语表达是 eccentricity。在物理学、天文学、工程学等领域中,该词常用来描述椭圆、圆锥曲线等的形状偏离圆形的程度。例如:
The eccentricity of an orbit indicates how much it deviates from being a perfect circle.(轨道的偏心率表明它偏离完美圆形的程度。)
In engineering, the eccentricity of a load or a shaft can affect its stability and performance.(在工程学中,载荷或轴的偏心率会影响其稳定性和性能。)