One class index sets target of 18 2 class.
一级指标下设18个二级指标。
WriteIndexInterval sets how often to write the index to disk (in seconds).
WriteIndexInterval设置将索引写入磁盘的时间间隔(秒)。
Gets or sets the connection string at the specified index in the collection.
获取或设置位于集合中指定索引处的连接字符串。
Gets or sets the column at the given index in the collection.
在集合中的指定索引处取得或设定资料行。
Gets or sets the column at the given index in the collection.
在集合中的指定索引处取得或设定资料行。
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