美国疾病控制与预防中心(CDC)也对某些基因数据加以限制，这些数据是由全球不同地区分析得到的。
America's Centres for Disease Control (CDC) also restricts access to some of the genetic data that it has analysed from various parts of the world.
此外，通过跨多个数据库分区分散数据以使多个分区可并行处理分配到其上的数据，也能减少复杂的分析查询的响应时间。
Also, the response time of complex analytical queries can be reduced by spreading the data across multiple database partitions, such that all partitions work on their assigned data in parallel.
分析员逐步地、有条理地区分了系统要求输入、存储、产生或输出的应该分别是哪些数据元素。
Step by step, methodically, the analyst identifies the data elements to be input to, stored by, manipulated by, generated by, or output by the system.
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