着力构建永葆党员队伍先进性的长效机制,是一个全新的理论与实践课题,也是一个复杂而艰巨的党建系统工程,需要我们进行深入的探索。所谓机制,泛指一个工作系统或部分之间相互作用的过程和方式。其本质是一种契约,也是一个相互制约的过程。从某种意义上讲,机制就是保障一个组织 Efforts to build a long-term mechanism for keeping the party members advanced are a brand new theoretical and practical subject and a complicated and arduous party-building system project that requires our in-depth exploration. The so-called mechanism refers to the process and method of interaction between a work system or part. Its essence is a contract, but also a process of mutual restraint. In a sense, the mechanism is to protect an organization