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集群模式主要解决水平拓展问题和整体的高可用（局部节点故障不影响其他节点的数据）。如果要保证所有数据的高可用还需要配合主从模式Culturally, North Rhine-Westphalia is just not a uniform place; there are actually considerable differences, specifically in regular customs, among the Rhineland lo

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Presently there isn't any uniform benchmarks for evaluating the efficiency of nursing interventions in individuals with dementia. Most of the studies conducted to this point have investigated parts for example cognition, functioning, quality of life, and social conduct. Therefore, the target of this health-technological know-how evaluation (HTA) wo