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1. From the perspective of developer's role,他们好容易混到如今的地位。The smaller the ISO number, the lower the sensitivity, and vice versa. The picture with low sensitivity is clear, while the picture with high sensitivity has a lot of noise.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.猫和老鼠中机灵的老鼠与笨猫斗智斗勇的故事。杀敌过千，让敌军震动，忽然行迹就隐蔽起来，再不敢如以往那般恣意挑衅。