A new recognition method based on the theory of non-parameter statistics is used to lithology identification in log interpretation.
本文应用非参数统计理论，提出了一种新的分类判别方法，用于测井解释中的岩性划分。
You have also examined how the use of parameter markers/host variables may limit the consideration of distribution statistics by the DB2 optimizer.
您还研究了参数标记/主变量的使用会为 DB2 优化器对分布统计信息的考虑带来怎样的限制。
This can occur if the IN list contains parameter markers or host variables which prevent the optimizer from using catalog statistics to determine the selectivity.
如果 IN 列表中包含参数标记符或主机变量，使优化器不能使用编目统计信息来确定选择性，就会出现这种情况。
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