The attacker then sends a packet full of SACK options designed to force the other host to scan that entire queue to process each option.
然后攻击者发送一个充满SACK选项的包，目的是使另一方主机扫描整个队列以处理每个选项。
So rather than clicking and going back and forth between each ad, you can get a nice scan of all the options with a quick swipe.
因此您可以很快的就可以浏览不同的选择，而不需要来回的点击每一个广告。
If you also want to scan the User Datagram Protocol (UDP) ports, you must specify the -su options, as shown here in Listing 3.
如果您还希望扫描用户数据报协议(udp)端口，那么您必须指定- su选项，如清单3中所示。
This avoids another scan of the index in order to gather statistics. The following examples illustrate some of the options available to do this.
这将避免为了收集统计信息而进行的另一项索引扫描。
In the child with a nondiagnostic ultrasound, options include observation and repeat ultrasound scan or CT scan, both of which have associated risks.
对于超声不能明确诊断的孩子，可选择观察和重复超声波检查或CT扫描，当然这两者都有一定的风险。
In the child with a nondiagnostic ultrasound, options include observation and repeat ultrasound scan or CT scan, both of which have associated risks.
对于超声不能明确诊断的孩子，可选择观察和重复超声波检查或CT扫描，当然这两者都有一定的风险。
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