In an experiment to find the ability to fire a series of warning smoke detection. Be used as incense smoke, smoke from the fire by the agent will find the trial burn joss sticks, the ability to detect smoke 5 points follows the radial distance of 0 m, 1 m, 2 m, 3. M and the RADIUS, the distance the beam obstructing the RADIUS distance 1 m, respectively.
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