短語(yǔ)詞組短語(yǔ)gravitational condensation force 引力vacuum and gravitational force 真空和外力quantum gravitational force theory 量子引力論change in gravitational force 重力變化net gravitational force 靜重力gravitational force line 重力線central gravitational force 中心力場(chǎng)non -newtonian gravitational force 非牛頓引力 返回 gravitational force