gravitationaladj.重力的；引力作用的gravitationn.[物]引力；吸引作用；下沉gravitational field and magnetic field重磁场Gravitational Field Flow Fractionation重力场流分离gravitational rainwater drainage system重力流系统gravitational field-flow fractionation重力场流分离gravitational acceleration simulation suit重力加速度模拟服Gravitational Lensing and its Applications引力透镜的基本原理及最新研究进展gravitational separation SHS composite pipes重力分离SHS复合管Gravitation double refraction thermal effect引力双折射热效应gravitational potential of homogeneous ellipsoid均质椭球体引力位

1. In flat terrain, sewers enroute to a treatment a small plant may increase in depth to the point where it is impractical to continue gravity flow.
   在平坦地形地带，排水管线再道小型污水厂途中可能深度增加到以重力流不切实际。
2. The grains distribution and sedimentary structures show that the transportation medium is characterized by tractive current and gravity flow synchronously.
   粒度分布和沉积构造反映出研究区兼有重力流和牵引流的水动力机制。