迫击炮弹爆炸的声响回荡在萨拉热窝上方的山上，摄影机镜头聚焦在一门发射时后冲的炮上，然后镜头伸向炮弹击中的地方，一条弧形白线越过城市上空掉落进一片房屋之中。
The camera focuses on a gun recoiling, then pans out to search for the impact point. A white line of smoke arcs above the city and ploughs into a group of houses.
以下是一些很酷或(热)迷人的消防摄影镜头的集合。
Below are some cool or (hot) collection of captivating fire photography shots.
应用高速摄影技术研究电火花线切割加工（WEDM）放电、热蚀、气泡运动和金属材料的抛出过程，并对线切割加工放电的过程进行了描述。
The Paper presents the processes of corrosion, bubble movement and vaporization of metals in WEDM by using high speed photography, and also describes the process of electric discharge in WEDM.
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