Introduced lubricating grease main classification used lubricating grease several conditions and the rational use of lubricating grease should be noted.
主要介绍了润滑脂的分类，选用润滑脂的几个条件及合理使用润滑脂应注意的问题。
2
The paper briefly introduces the fundamentals of neural network of self-organizing feature map and on the basis of which discusses the classification of land reclamation conditions.
本文简要介绍了自组织特征映射神经网络的基本原理，并利用其原理对土地复垦的条件分类进行了初步研究。
3
The definition and classification of landslide are put forward, shaping conditions of landslide is studied, harm caused by landslide is discussed, which lays a foundation for controlling landslide.