太行山脉

太行山脉东坡中南段种子植物区系初步分析

A floristic analysis of the seed plants in the middle-south area of east slope of Taihang Mountains

牛口峪地区位于北京房山县城西南2公里的华北平原与太行山脉交界的丘陵地带。

Niukouyu area is situated in the hilly terrain about2km southwest of Fangshan Town , Beijing , at the boundary between the Taihang Mountains and the North China Plain .

结果表明：（1）与阴山山脉以及太行山脉有关的主要降雹高频区，组成了T型分布特征；

The results show that : ( 1 ) The main hail zone appear in the shape of the letter T around the Yinshan mountain ranges and Taihang mountain ranges .

太行山脉位于河北省与山西省交界地区，向南延伸至河南与山西交界地区，呈东北一西南走向，绵延数百公里，东西南北的建筑文化产生了较大的差异。

Taihang mountain locate boundary of Hebei and Shanxi , extend to the boundary of the Henan and Shanxi toward the south , present northeast-southwest alignment , continue long several hundred kilometers , the thing south north of the building culture produced bigger difference .

太行山及其周边山脉地形区的位温梯度除范围大小略有变化外无明显日变化与季节变化。

Gradients in Taihang mountain and its adjacent sloping terrain regions show little seasonal and diurnal variability except a slight change of area .