波状起伏地形  sag and swell

地形起伏  wavy terrain; topographical relief; topografic relief; Hypsography; Topographic relief; local relief; Relief; Orographic fluctuation; topographic inequality; undulation; fold; terrain undulation

地形起伏比  relief ratio

地形起伏程度  relief degree of land surface

地形起伏地区  undulate area

地形起伏度  Relief; relief amplitude; topographic amplitude

地形起伏模型  solid relief model

地形起伏趋向  topographic grain

地形起伏校正  Correction for Relief

地形起伏周期  Topographic relief

古生代地形起伏  Palaeozoic relief

航空像片地形起伏  Land waves

局部地形起伏  local relief

起伏地形观测重力异常  gravity data observed on rough terrain

显著的地形起伏  salient relief

小起伏地形  underfeature

自然起伏的地形  free flowing contour

波形起伏  glint

大地起伏  orthometric height