外营力

是地球内营力，还是外营力？

Is it interior force , or exterior force ?

外营力地貌作用随机特性和分形布朗地貌的稳定性

On the stochastic nature of exogenic processes and the stability of fractional Brownian landscape

在强制对流中，液体或气体的运动是产生压力差的某种外营力造成的。

In forced convection the movement of the fluid or gas is caused by an external agent which gives rise to pressure differences .

在外营力的剥蚀与破坏影响下，薄皮构造受到程度不同的剥蚀破坏而呈现出不同的褶曲形态。

By the action of exogenetic force , the thin-skinned structure was subjected to denudation to varying degree , appearing as different folded forms .

是次活动除了能增进同学对地图阅读、内营力及外营力的认识外，还可提升同学对学习香港地貌特徵的兴趣。

Such activity can enrich students with knowledge about the map reading skills , endogenetic and exogenetic processes , as well as interest on geographical features in Hong Kong .

壤中流是紫色土坡耕地水土流失的重要外营力之一，进行水土流失治理必须对其加以干预。

Interflow is an important exogenetic force which causes soil and water loss in slope farmland of purple soil , and it should be controlled for soil and water conservation .

随着时间的推移，一定空间范围的地貌的形成与发展演化都是地球内力（内营力）与外力（外营力）共同作用、相互影响的结果；

With the lapse of time , the internal agency and external agency of the globe , which jointly affects and influences each other , results in the formation and development of the land-form within the particular space .

在发育条件上，两者的岩性、构造环境和主要外营力均存在显著差异；另一方面，两者的发育又都依赖于一定的水热条件和密集的节理裂隙。

As to the development condition , there are obvious differences in lithology , structure environment , and main exterior forces , but , on the other hand , the development of both landform depend on sufficient water and heat , dense joints and fractures of the rocks .