backing out
5.This paper expounds the functions of university library in the construction of learning-type society being as the base of the knowledge-seeking group to become the useful talent, the backing of the teaching and scientific researching group to prepare lessons and carry out scientific researches, and the good teacher and helpful friend of the managing and serving group.
7.Management buy-out (MBO)： When management, often with outside financial backing, acquires all outstanding shares in a company and takes the company private.
9.This paper expounds the important role of bush in application of retarder technology through analyzing the stress of pot bush of retarder. Comparing the wear resistance,shock resistance,and economy for many kinds of bush materials,it finds out the ideal wear resistance materials in combination with the length of life test for many kinds of bush materials in Gengshanmen marshalling station and makes brief introduction for the kind of new material and its application of the steel backing copper bush.
