gravitational field造句

1、A gravitational field or an electric field, you can't.
在重力场或者电场里面，就做不到了。

2、From Euler equation to Einstein gravitational field equation
从欧拉方程到爱因斯坦引力场方程(英文)

3、The gravitational field is so strong that the escape velocity near it exceeds the speed of light.
重力场是如此的强大以致于靠近它的逃逸速度超过光速。