filter level 筛选位准
anisotropic filter level 各项异性过滤级别
Filter level and performance 过滤器等级以及过滤效果
level filter 层过滤器
low level technique filter 低能级技术过滤器
two-level filter 双级滤波
deep level filter 变孔径动态过滤
System Level Filter 系统层过滤
variable level filter 变水位过滤
The last section discussed how to apply filter predicates at the database level to improve query performance and response times.
最后一节讨论如何在数据库级应用过滤谓词，以提高查询性能和缩短响应时间。
The logging support class contains methods to view current filters, add or update a filter and its logging level, and test a given filter logging level.
日志支持类包含的方法可用于查看当前过滤器、增加或更新过滤器及其日志级别，以及测试给定的日志级别。
This provides the flexibility to assign any logging level to any class filter without external restrictions.
这允许灵活地为任何类过滤器分配任意的日志级别，而不存在外部限制。
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