Its oscillation depends on the strength of the gravitationalfield.
它的摆动取决于重力场的力。
《柯林斯英汉双解大词典》
2
According to one hypothesis, the planet's gravitationalfield tugs on the protoplanetary disk of dust and gas from which it formed.
根据一种假设,这颗行星的重力场会对由尘埃和气体组成的原行星盘产生牵引力。
3
Once Earth had gone through the final stages of its formation, gases bubbled to the surface and were held by Earth's gravitationalfield to form the atmosphere.