How to change the traditional modelof building-operating-management, leading into market mechanism to improve economic results and social results is critical.
如何改变传统的建设、运营及管理模式，引入市场机制，提高经济效益和社会效益，是解决问题的关键。
2
This paper analyzed the mechanismandchange direction of the extrusion effect with a model of matching between seekers and vacancies.
通过一个搜寻者与岗位空缺的匹配模型来分析挤出效应的发生机理及其变动趋势。
3
Objective To investigate the mechanismof burr vibration induced hearing loss and the possible change of blood-inner ear barrier in an animal model.