The coefficient is expressed as a percentage and is dependent on rotation uniformity, speed of rotation (for rotary type sprinklers), geometric layout pattern, nozzle pressure, and spacing distance.

• 此系数是一个百分数，它取决于转动的均匀性、转动速率(对旋转型喷灌器而言)、立体结构、喷嘴压强和间距。