对帽儿山林场不同种源和不同种植条件区组下速生白桦的制浆特性进行研究。
This article is the study of the fast growth Birch's pulping characteristics from different provenance and different conditions of planting at Maoershan forestry centre.
但由于大量工程建设地处复杂的地质环境条件区，边坡失稳时有发生，滑坡灾害成为山地丘陵区工程建设所面临的主要问题之一。
However, the landslide is the one of main problems for construction in complex geological environment as it usually gives rise to the probability of slope failure.
这一地区因为地理条件，降雨量少，因此十分干燥。
The area was very dry with low rainfall because of its geographical condition.
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