topographic change meaning in Chinese

地形变化

Comparative analysis of topographic change after intraocular lens implantation through two different incision
两种不同切口人工晶状体植入术后角膜地形图对比分析
But now it ' s urgent to adopt new methods for calculating the head loss of regional drainage due to some factors such as long length , large flow quantity and probable strong topographic change
由于存在管线长、流量大以及区域地形变化幅度可能较大等因素，建设区域排水系统需要采用新的方法较为准确地计算水头损失。
The verification results show that the model can simulate well the tidal levels , current velocities , sediment concentration , bed load transport , diversion ratio in the bifurcation section , topographic change of the north and south channels , as well as sudden siltation caused by typhoons
大量实测资料验证表明，该数学模型可以较好地模拟长江口地区的潮位、流速、流向、含沙量、底沙、分流比、南北槽地形变化和台风暴潮造成的航道骤淤情况。