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当硬物触及自己敏感部位的时候，尹旭的手也有些不规矩起来。没有了天启的启明，根本不是星海的对手。At that tail of the warhead, the drag armour-piercing firebomb is filled with a drag agent and a fireagent, Under the pressure of propellant propelling warhead, it will spontaneously ignite to produce open flame, So it can break through the oil drum and ignite or detonate the gasoline. However, the old-fashioned traced armour-piercing firebombs have obvious trajectories due to traced light when they are launched. Therefore, it is very easy to expose oneself while pointing targets to friendly forces. Therefore, the new tracer armour-piercing firebombs now equipped all start to burn and emit light only after the projectile flies out of the muzzle for a certain distance (the generally set safe distance is 100 meters, which makes it impossible for the enemy to judge the firing position with tracer ammunition, while targets within 100 meters do not need to be indicated by tracer), The principle is generally to ignite the tracer and combustion agent carried by the projectile by accumulating the heat generated by the warhead's friction with the air after flying for a certain distance to a certain extent.The Original class is the original class, which contains the attribute value to be saved and creates a memo class to save the value value. The Memento class is a memo class, and the Storage class is a class that stores memos and holds an instance of the Memento class. This pattern is well understood. Look directly at the source code:达人出场，谁与争锋，专门收录一些达人选秀节目的有趣片段。The sourceable interface's first Sub1!However, there are exceptions. For example, in remote sensing