沿等熵面高脊区的下滑急流与水汽图像暗区相当一致。
The jet sliding along the ridge on isentropic surface is consistent with the dark zone in WV image.
讨论了表面垂直位移和重力变化对大地水准面高变化的影响。
The effects of surface vertical displacements and gravity changes upon the geoidal height variation have been also discussed.
中部走廊平原地势呈东、南、北三面高，西北低，海拔在1600—1380米之间。
Central Corridor was plain lying north, east and south high on three sides, the north-west lower in elevation between 1600-1380 meters.
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