这是可以控制的随距离衰减曲线。
衰减系数平均功率随距离的延长而降低的比率。
Attenuation Coefficient The rate at which average power decreases with distance.
这种影响的强度随到源的距离指数地衰减。
The strength of the influence declines exponentially with the distance from the source.
这种影响的强度随到源的距离指数地衰减。
The strength of the influence declines exponentially with the distance from the source.
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