Therefore it is considered that the decrement of gravity vertical gradient is caused by mountainmass distribution.
分析了佘山重力垂直梯度偏小的原因，认为这是由于山体质量分布引起的。
2
Molasse is a sedimentary assemblage which is characteristic of clastic sediments and rapid accumulation on the front of mountainmass.
磨拉石可定义为以碎屑沉积为特征的、在隆起的山体前缘快速堆积为沉积组合。
3
Taking a mountainmass landslide in Shangrao county, Jiangxi Province as an example, this paper deals with the application of fuzzy multidisciplinary method to the assessment of landslide danger.