All stations use gravity generators 所有空间站都配备重力发生器。
2.
Some stations can be found in the upper atmospheres of some gas giants ; those kind of stations are using anti - gravity generators and are the most expensive to run 在类木行星（即巨型气态行星）上层大气中的空间站使用反重力发生器来保持相对位置，它们的运行成本也最高。
