Two corresponding theorems, which represent the corresponding relationships between upper polish function and fast filter function, left polish function and slowfilter function, are also proposed.
也提出了相应的定理，它代表的对应关系上的润色功能和快速的过滤功能，左抛光功能和慢速过滤功能，。
2
Experts warned that the filter would slow Internet speeds down massively while affording no guarantee of effectively blocking genuinely malicious sites.
专家警告说，过滤器会大幅度地降低互联网的速度，同时却并不能有效地阻止那些真正的不良网站。
3
Therefore, if a query filter field is one of these types, and the associated table is large, the query can be very slow.