1·There are five stages of the recognition of mountain regions.
人类对山地的认识大致经历了五个阶段。
2·Science and technology have brought profound change to the mountain regions.
科学技术给山区带来了深刻变化。
3·There wasn't any civil aviation service to the mountain regions until recently.
那山区一直没有民航服务，直至最近才有所改变。
4·So , the research of mountain regions of Mentougou is chief thing to the Beijing .
因此门头沟区气候资源的研究就成为北京开发和利用山区气候资源的首要重点。
5·Mentougou is biggest area mountain regions and closest distance to the center of Beijing.
门头沟区是北京山区面积最大的区，同时也是离市区最近的山区。
6·This is the sensation when one ascends the mystic climbs of the central mountain regions.
这种感受，在攀登中部山区的时候尤为强烈。
7·Inhabitants of mountain regions have always kept donkeys and appreciated them for their endurance and diligence.
山区里居民视很是欣赏驴的耐力与勤劳，因而喜欢养驴。
8·Travellers in mountain regions will be familiar with the accumulations of scree which occur at the base of steep slopes.
山区中的旅行者对出现在陡坡坡底处的碎石堆是相当熟悉的。
9·There are high and cliffy tectonic mountain regions that lie between many basins and peripheral orogenic zones in the west of our country.
我国西部广大地区多数盆地与周缘造山带之间均为高陡的构造山区。
10·The distinct mountain system could cause a different surface-to-air exchange process from that over the plateau flat areas and other mountain regions.
该特殊局地环流系统所导致的地气交换过程可能不同于平坦地形和其他山区。