In another scenario, it could be counter-productive to generate the linestring for each and every row with which the spatial overlap test shall be performed.
在另一种场景中，为将进行空间重叠测试的每一行生成linestring又可能产生完全不同的结果。
When you look at the spatial query that we used before in this article, you will notice that a new geometry was constructed as parameter for the overlap test.
当看到我们在本文前面使用的空间查询时，您会注意到，为了重叠测试，一个新的几何图形被构造成参数。
It is important that the test and training documents do not overlap, which could skew the results.
需要确保测试和训练文件没有重合，否则会造成结果不准确。
This means that there should not be any unnecessary overlap or gaps in the test coverage.
这意味着，在测试覆盖中，不应当有任何不必要的覆盖或缺口。
When the cladding thickness of rocket motor is measured with ultrasonics, the test echoes of the thin cladding will overlap in the time field.
用超声测量火箭发动机装药包覆层厚度时，当包覆层较薄时检测回波信号会出现时域混叠。
When the cladding thickness of rocket motor is measured with ultrasonics, the test echoes of the thin cladding will overlap in the time field.
用超声测量火箭发动机装药包覆层厚度时，当包覆层较薄时检测回波信号会出现时域混叠。
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