应用三维摄影和三维运动录像分析系统，从人体对外输出机械能角度对掷铅球技术进行了研究。
Three dimensional cinematography and sport video analytical system were applied to study the shot put technique in view of body outputting mechanical energy.
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。
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.
CTOA的测定是通过高速摄影技术，建立裂尖裂纹断面与自由表面的三维关系模型。
CTOA is measured with the built three dimension function model of crack profile of the crack top and free profile through the high-speed photo technology.
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