然而，这些灾难时极其罕见的。只有在地势条件复杂地势低的地方才会发生。
These events, though, are extremely rare and occur only in low-lying areas with the requisite mix of geophysical conditions.
但是在崎岖地势、苍茫大雪、没有食物、很少保暖衣物的条件下要一直保持希望谈何容易。
But it was hard to stay hopeful lost in rugged terrain, in heavy snow, with no food and few warm clothes.
本机特别适用于地势较平坦、道路条件较好的油区钻探开发。
It is especially suitable for the oil exploring and developing area where surface relief is flat and road condition is better.
此一事实，以及严酷的气候条件和崎岖的地势，都是摄影小组在拍摄《大熊猫》时所必须面临的挑战。
This fact, the harsh weather conditions, and the rough terrain are all challenges the team must face to make "Giant Pandas."
我国许多沿江、沿海城市处于地势低平、排水条件很差的平原水网地区。
Many coastal and river cities are located on the lowland plain areas where are with poor water discharge condition.
靖边县东坑镇地势广阔平坦，耕作条件优越，是我县主要的油葵生产基地。
Dongkeng town provided with favorable farming conditions due to wide and flat topography is an important sunflower oil base in our county .
②特殊的地形地势是诱发山洪灾害的基础条件；
The special terrain topography is the foundation condition which induces the mountain torrent disasters to happan;
在自然地理差异条件里我进一步划分：气候的差异、海陆的差异、地势地形的差异、土壤水文的差异；
In the natural geographical differences, I further divided into four parts: differences in climate, differences in land and sea, differences in terrain, differences in soil and water.
平原区高潜水位采煤塌陷土地拥有丰富的水资源，地势低洼，土壤接近饱和湿度，为人工湿地的规划建设提供了良好的自然条件。
There are plenty of water resources and land resources to be reclaimed in subsided land of mining coal with higher level of underground water on plains.
平原区高潜水位采煤塌陷土地拥有丰富的水资源，地势低洼，土壤接近饱和湿度，为人工湿地的规划建设提供了良好的自然条件。
There are plenty of water resources and land resources to be reclaimed in subsided land of mining coal with higher level of underground water on plains.
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