海上同一站位不同时间的观测数据计算的PAR衰减系数相差很小，表明PAR的衰减系数是海水的光学性质，与辐射强度无关。
It is demonstrated by theory and data observed in different time at same location that the attenuation coefficient of PAR is independent of the intensity of radiation.
海上同一站位不同时间的观测数据计算的PAR衰减系数相差很小，表明PAR的衰减系数是海水的光学性质，与辐射强度无关。
It is demonstrated by theory and data observed in different time at same location that the attenuation coefficient of PAR is independent of the intensity of radiation.
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