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For example, I invited a sister to a restaurant for dinner, but I didn't know her preferences. In this way, we will take our sister to the hotel and let her order what she likes when ordering. This also realized the factory model, but I don't have to care about what my sister likes to eat, but let her decide what to eat.这些聪明绝顶的书呆子最终接受了Cabe Gallo提供的工作机会，这对他们来说是一份完美的工作：他们可以将自己的超凡智慧用于正道——用于解决国家危机。与此同时，他们可以通过这份工作帮助彼此更好地融入现代社会。七月初，张槐回来过一次。Click on this elevation symbol on the drawing, and there will be two arrows, one horizontal and one vertical. Click on these two arrows to try, and the effect will appear.六大门派败下阵来，只好退下光明顶。The firewall sets the SYN forwarding timeout parameter (the firewall for state detection can be set in the state table), which is much less than the timeout time of the server. When the client sends the SYN packet and the server sends the acknowledgement packet (SYN + ACK), if the firewall has not received the acknowledgement packet (ACK) from the client by the time the counter expires, it sends the RST packet to the server to cause the server to delete the half connection from the queue. It is worth noting that the setting of gateway timeout parameters should not be too small or too large. If the setting of timeout parameters is too small, it will affect normal communication. If the setting is too large, it will also affect the effect of preventing SYN attacks. This parameter must be set according to the network application environment.The advantages of the responsibility chain model are: