Synchronous availability guarantees that the data sources on primary and secondary systems are identical, and complete data continuity is maintained after a failover.

同步可用性保证主系统和辅助系统上的数据源是一致的，完整的数据连续性是在故障转移之后维护的。

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The importance of the seismic design of the primary-secondary systems is introduced and the dynamic characteristics of the combined systems are outlined in the paper.

本文对二次结构系统抗震设计的重要性进行了介绍，并对二次结构系统的动力特性进行了概括。

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The main tasks of the reform are to unify title systems of primary and secondary school teachers and set up senior titles.

改革的主要任务是统一中小学教师职称制度，建立高级职称。

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This is as true of shadow banking systems as it is of licensed systems, as the secondary banking crisis of the early 1970s would have informed anyone working at the Bank of England.

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Secondary sources of event data can include other application systems, other departments within the company, business partners, news feeds, industry data feeds, weather feeds, traffic feeds, Twitter, other social applications and other sources.

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One of those opinions confirms the conventional wisdom that U.S. higher education, especially at our elite research universities, is world class while primary and secondary education, especially in our big city school systems, are lagging badly.

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