To help members scour through all this information, the company developed an advanced search engine that pulls in real-time data from many different sites around the Web.
为了帮助用户能快速浏览这些信息，他们就开发了一个先进的搜索引擎以汇集从不同网站来的各种实时数据。
The engine might use historical data to correlate with the real-time data and might also store data periodically.
该引擎可能将历史数据与实时数据关联起来，也可能定期地储存数据。
Figure 7 also shows a two-way connection between the real-time analysis engine and the historical data in the databases.
图7还显示了实时分析引擎和数据库中的历史数据之间的双向连接。
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