The establishment of datum is one of the important contents in the research on vertical crustal movement.
确定基准是研究地壳垂直运动的重要内容之一。
They are the changing values of vertical velocity per unit distance along the horizonal direction on the sur-facial deformation field in which crustal vertical movement is dominant.
它是指在由发震构造引起的垂直运动为主的地表形变场中，水平方向上单位距离内垂向速率变化的物理量。
There is a better consistence between the gradient value of the vertical crustal movement and the distribution of seismic zone on space field.
现今地壳垂直运动高梯度值带与地震带的分布有较好的吻合性。
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