“九龙壁”，建于1756年，全壁用五彩琉璃瓦砌成，两面各有蟠龙九条，姿态生动，反映了我国劳动人民的创造才能。
The Nine Dragon Screen, built in 1756, was made of colorful glazed tiles. The screen, with nine lively dragons on either side, reflects the great creativity of the Chinese working people.
目的证实LEJ - 1型全方向m -型超声心动图测量心室壁运动速度与加速度的临床意义。
Objective To confirm clinical significance of wall motion velocity and acceleration measured by LEJ-1 omni-directional M-mode echocardiography (OME).
全方向M型心动图的边界是采样线血液与腔室壁组织结构形成的分界线与采样线交点位置变化的按时间展开。
The edge of all-directional M-mode echocardiography images is the combination of the cross points of the sample line and the boundary between the blood and the heart by the time.
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