They launched the snakes from the top of a 15-metre tower and used four video cameras to construct 3-D images of the animals’ trajectories.
研究人员使树蛇从15米高的塔顶端飞行，过程中使用了4个摄影机拍摄蛇滑行的轨迹，以拍摄成三维立体图像。
"How to Train Your Dragon," DreamWorks's 3-D adventure, displaced "Alice in Wonderland" as the top film at US and Canadian theaters last weekend, posting $43.3m in ticket sales.
梦工厂出品的3D动画冒险片《驯龙记》取代《爱丽丝梦游仙境》，荣登上周北美票房排行榜榜首，票房收入为4330万美元。
Many believe that Avatar, the largely computer-generated, 3-D film by James Cameron—and the top-grossing movie in history, earning nearly $3 billion worldwide—has changed the moviegoing experience.
詹姆斯卡梅隆执导的电影《阿凡达》全球总票房接近三十亿，成为史上最卖座的电影。 很多人认为这部电脑制作的3D影片已经改变了人们的观影体验。
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