It shows that the gravitationalchange before Tangshan earthquake, especially rise of gravity in 1975 and decrease of gravity before Tangshan earthquake, is believable.
说明唐山地震前的重力变化，尤其是1975年的加速上升和临震前的重力下降是可信的。
2
Gravitational wave detectors are incredibly sensitive to the tiniest change in distance.
重力波探测器对距离上极微小的变化都非常敏感。
3
They are so small on galactic scales and spread so far apart that they simply change their gravitational dance around their galaxies.