随着数据库的增大，机器的准确性全面下降。
As the databases grew, machine accuracy dipped across the board.
随着数据库的建立且不断得到填充，您可以构建前端会使用的搜索服务。
With the database set up and populated, you are ready to build the search service that the front end will use.
在可接受的响应时间内，随着数据库服务器的超负荷，每秒钟发生的并发更新数将受到限制。
This limited the number of concurrent updates/second with an acceptable response time as the database machine would saturate.
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