space-time curvature

• 时空曲率

space-time curvature的用法和样例：

例句

1. The curvature of spacetime keeps the earth in its orbit around the sun and drives distant galaxies ever farther apart.
   时空曲率使地球得以保持在绕日轨道中，也驱使遥远的星系彼此更加分离。
2. The extra dimensions introduce a correction term into the equations, which ensures that the curvature of an empty brane is not zero.
   额外维度在方程式中引进了一个修正项，该修正项确保了一个即便是空的膜其时空曲率亦不为零。