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But this is not over yet. Ethernet also requires CRC verification when transmitting data. The network card will CRC check the data packet before sending the data, attaching a 4-byte CRC value to the back of the packet header. At this time, the packet length is no longer 40 bytes, but 64 bytes, which is often referred to as SYN packet attack. The packet structure is as follows:In addition to the thickness size specification, the strength lifting belt is also divided into single row and double row buckles. The quality of the strength belt depends on several indicators. One is the thickness. The thicker the better, at least the double layer is more than 10mm. There are also four layers of processing. The other is to look at the car lines. There must be at least four or more car lines. The more car lines, the better the hardness and durability.既然如此，返回去就是了。万万没想到白天送件遇跳楼，晚上送件竟然目击命案，竟是白天遇见的演讲男！两人被到警局，才知原来是至胜发现有歹徒潜入家中偷窃，趁机制伏，子彤意外发现对方患有恐血症。In the past, opening a new App was in a task stack. Opening a new App page and jumping on the same App page felt basically instantaneous. Users did not feel jumping between Apps. After setting Intent.FLAG_ACTIVITY_NEW_TASK, a new task stack was needed to open the App. After clicking, there was an obvious pause [the worse the CPU, the more obvious it was] and the user experience became obviously worse.Module