The advantage of data federation is best exploited when a modest number of requests are received against limited result sets sized from multiple consistent, complementary data sources.
当接收到的请求数量适中，而来自多个异类互补数据源的结果大小有限时，可最佳地利用数据联合的优势。
2
Supporters of complementary and alternative medicine propose a number of reasons why their therapies have not been subjected to thorough testing.
补充和替代疗法的支持者举出了几个这些疗法未能接受彻底验证的原因。
3
As our line of services on alternate clouds grows, we expect to have a number of complementary offerings that meet the needs of people focused on specific aspects of hosting and development.