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Resource consumption class is a typical DDoS attack, the most representative include: Syn Flood, Ack Flood, UDP Flood. The target of this kind of attack is very simple, that is, to consume normal bandwidth and the ability of protocol stack to process resources through a large number of requests, thus achieving the purpose that the server cannot work normally.(6) When radar is used to measure the distance of nearby ships or other objects, it is possible to make a more accurate estimate of visibility.范文轩哈哈一笑，拉住依兰的手，笑着说道：并不是什么要紧的大事，告诉您也无妨，那人便是李相。In web development, Picture preloading is a common technique, If you set the src attribute directly to the img tag node, If the picture is larger, Or if the network speed is relatively slow, Before the picture is loaded, The picture will be a blank scene for a period of time. This is not good for the user experience, so at this time we can use a loading loading picture as a placeholder to prompt the user that the picture is being loaded before the picture is loaded. After the picture is loaded, we can directly assign a value to the picture. The following code is as follows when we do not use proxy mode to preload pictures:Filed documents shall include light drawing documents, numerical control drilling documents, PCB documents and text documents.1. Weapons need high white characters in order to have a higher DPH (not a large number of seconds). This is the reason why Swire Burning Furnace is better than Prophecy Blade.