佛山冠信机械滤芯制品厂制品厂是一家专业生产各类型过滤器，并销售大量优质的进口电火花机周边配件、消耗品，树脂。

Foshan Guanxin Mechanical filter Core Factory is specializing in manufacturing all types of filters, and we also a supplier of EDM consumables and resin.

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实际上，编目在网关上的类型充当一个过滤器，用于限制哪些验证类型被允许通过。

In effect, the type cataloged at the gateway ACTS as a filter that limits what authentication types are allowed through.

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但是，如果没有数据分布，则数据库服务器根据表索引计算不同类型的过滤器的选择率。

However, in the absence of data distributions, the database server calculates selectivity for filters of different types based on table indexes.

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