Lucene 2.9 added two new features that play an important role in spatial search.
Lucene 2.9添加了两个在空间搜索方面起到重大作用的新特性。
In spatial search test the swimming initial Angle of the model group was larger than that of the sham-operation group.
在空间搜索实验中，模型组大鼠游泳初始角度显著大于假手术组。
Every location, of course, is its own neighbor by this query's spatial search criterion, so exclude that row from the search.
当然，根据这个查询的空间搜索条件，每个位置是它自己的邻居，所以要从搜索中排除这一行。
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