At first eccentric was an astronomical or geometrical term and was contrasted with concentric so that concentric circles Shared the same center while eccentric circles did not.

首先，eccentric(偏心的)是一个天文学或几何学术语。人们将它与concentric(同心的)做比较，因为同心圆都只有一个圆心，而偏心圆则不是如此。

youdao

This is the main reason why Kepler was ok in breaking with the tradition by introducing aspects that were entirely geometrical in nature and not tied at all to the zodiacal framework.

开普勒敢于打破传统的相位体系的原因是，他只关注单纯的几何学并且不被黄道框架所束缚。

youdao

Not all geometrical magnitudes of the same kind are commensurable with one another.

同类几何量中彼此之间并非都是可通约的。

youdao

Mathematics recognises many sorts of symmetry, not all of them amenable to these sorts of geometrical analogy.

ECONOMIST: Particle physics makes sense, but it assumes too much