Since 2007, I have used high-speed video cameras capable of recording lightning at up to 54,000 images per second.
2007年开始我就用上了能每秒记录多达5万4千张图象的高速摄像机。
Six Asian elephants walked or ran over a sidewalk equipped with pressure sensors, as the scientists used high-speed video cameras to monitor their gait.
让六只亚洲象在装上了受力感应装置的路上走动或者跑动，同时科学家利用高速摄像机监测大象们的步态。
Six Asian elephants walked or ran over a sidewalk equipped with pressure sensors, as the scientists used high-speed infrared video cameras to monitor their gait.
科学家们在六头亚洲象身上安装了压力传感器，并通过高速红外线摄影机监视它们通过一条人行道时候的步态。
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