When the truss is large such a calculation of a relative displacement by the laws of geometry becomes excessively tedious.
当桁架很大时，根据几何学定律来计算相对位移就会变成很麻烦的事。
We could present spatially an atomic fact which contradicted the laws of physics, but not one which contradicted the laws of geometry.
我们能在空间上表现一个违反物理规律的原子事实，但是我们不能在空间上表现一个违反几何规律的原子事实。
This means that theorists working on it believe the laws of nature can be stated without making any prior assumptions about the geometry of space and time.
这就是说，研究环圈量子重力学的理论学家认为无需先作出时空的几何假设，便能表述自然定律。
应用推荐