But if you need to build out a solid search application that combines the structure of point-based locations with unstructured text, then look no further than Lucene and Solr.
如果您需要构建一个可靠搜索应用程序，用于合并基于点的位置的结构和非结构化文本，那么关注Lucene和Solr就足够了。
Therefore, Solr provides mechanisms for replicating the Lucene index across multiple servers that are part of a load-balanced suite of query servers.
因而，Solr 提供了跨多个服务器复制 Lucene 索引的机制，这些服务器必须是负载均衡的查询服务器的一部分。
Numeric spatial information such as latitude and longitude (lat/lon for short) is where the more interesting representations come into play in terms of search with Lucene and Solr.
使用 Lucene 和 Solr 进行搜索时，纬度和经度（缩写为 lat/lon）等数字空间信息的表示方式是最有趣的。
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