Longitudinal displacement measures myocardial motion amplitudes in systole and visualizes the segmental velocity - time integrals.
纵向位移是测量收缩期心肌运动幅度，显现为心肌节段的速度-时间积分。
The observation of longitudinal horizontal displacement of an earth dam is to observe the relative strain of the length between two displacement points.
土坝纵向水平位移观测是观测两两位移点间长度的应变值。
The longitudinal displacement and curvature variation are both described by deflection as solving the equations.
求解该方程时，将纵向位移分量和曲率的改变量用挠度表示。
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