集体维护（Collectively maintain）：系统中的数据块由整个系统中所有具有维护功能的节点来共同维护的，而这些具有维护功能的节点是任何人都可以参与的。
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分析了碹体支护的破坏原因，介绍了碹体维护和维修方法，收到了良好的技术经济效果。
Through analyzing the destruction reasons of stone and, concrete corresponding efficient repair ways are provided, and good technical economic results are made.
绍斯塔克说：“当我们着手这项研究时，我们真的只是对有关DNA复制的基本原理及如何维护染色体末端感兴趣。”
Szostak said: "When we started the work, we were really just interested in the very basic question about DNA replication, how the ends of chromosomes are maintained."
但那些自称是维护欧盟的政客的行为，语言，行动支持了欧盟进一步的一体化，但这同时表明了削弱欧盟的行动和决定。
But it's the behaviour, the words, the actions by politicians who say they are for the EU, support further integration, but at the same time suggest actions and decisions that weaken the community.
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