eccentricity indicator

例句：

1. 1. The eccentricity indicator for the planet Venus is significantly higher than that of Earth.
   金星的离心率指标远高于地球。
2. 2.The eccentricity indicator for the planet Mercury is also high, indicating a highly elliptical orbit.
   水星的离心率指标也很高，表明其轨道极为椭圆。
3. 3. The eccentricity indicator for the Sun is relatively low, suggesting a nearly spherical orbit.
   太阳的离心率指标相对较低，表明其轨道近乎圆形。