The vibration transmissibility of the vibration isolation system under complex vibration environment with the floor disturbance and the direct disturbance is defined and studied.
定义和研究了在基础干扰和直接干扰同时作用的复杂环境下隔振系统的振动传递率问题；
2
That of isolation methods for soil fungi and the indirect and direct enumeration methods for measuring soil fungi;
综述了分离土壤真菌的方法以及测定土壤真菌的间接计数法和直接计数法；
3
Objective: research systematically into the isolation, culture and direct differentiation to osteoblast of embryonic stem cells.