Therefore, DB2 can use a DOUBLE index for faster join processing.
因此，DB 2可以使用DOUBLE索引用于快速连接处理。
The index loss of every double-pancake coil and every single turn was calculated.
分析了每个双饼及每匝线圈的指数损耗。
Binding consumables: plastic wire, double wire, iron spiral wire, plastic index film and so on.
装订耗材：胶线圈，双线圈，铁单线圈，胶索膜等。
Binding consumables: plastic wire, double wire, iron spiral wire, plastic index film and so on.
装订耗材：胶线圈，双线圈，铁单线圈，胶索膜等。
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