The centerofsurface rupture to the earthquake is located around Nanchong and Luliangshan.
地震的地表破裂中心在南冲、陆良山一带。
2
The compression in the EW direction during recent two years is more obvious than before, to south of Beijing it is the area of movement conversion and the quadrant pseudo-centerofsurface strain.
近两年东西向的压性作用较前明显，北京以南地区是运动的转化地区及面应变象限的准中心地区。
3
On our spherical Earth, gravity pulls "down" us toward the planet's centerof mass. So on a flat surface, we naturally stand up straight.