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1·The background picture may be stock footage from a film library.

可以从电影资料馆将背景胶片借出。

2·Learn to composite stock footage of various fire elements and have your friends burst into flames.

学习各种火灾因素综合股价镜头和你的朋友起火。

3·The background picture may be stock footage from a film library. Scale model are used to create such effects as earthquakes, explosions, and living dinosaurs.

可以从电影资料馆将背景胶片借出。人们用比例模型来进行模型摄影，模拟地震，爆炸及活恐龙等效果。