"We end up shooting at piles of tyres or old vehicles," he says. "We wanted to inject a thinking, moving target into the live-fire environment."

“我们最终也只能射击一些一排排的轮胎或破损的汽车，”他讲道，“我们想要注入一种想法，把目标移到现场救火的环境中。”

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The velocity measurement of 2-dimensional motion is realized through target radial moving information measured by two times range finding to improve the shooting precision.

由两次测距的目标径向运动信息，实现目标二维运动速度测量，改善射击精度。

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