人们期望南非作为东道主能保证德班的顺利进行，前提是能瓦解发达国家群体间合力造成的阻碍。
South Africa as conference host is expected to work for Durban's success, even if that means eroding the group's solidarity.
协作体系的动力特性主要包括体系的自振频率和主振型，它是协作体系结构动力分析的基础和前提。
Dynamic characteristics of collaborated system mainly include natural vibration frequency and principal mode, which is the base and precondition of dynamic analysis for collaborated system.
一些俱乐部主会付固定薪水，但前提是你每周要保持一定的工作时间。
Some club owners pay a fixed salary, but expect you to be at their club for a certain amount of hours per week (including mostly all announced events at the club, to get a "full house").
应用推荐