Radiolaria abundance of Hole 57-441B
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Relative abundance: D = dominant, A = abundant, C = common, F = few, R = rare, T = trace, P = present (numerical values are abundance in percent)
相对丰度分级说明如下:D为优势(dominant),A为丰富(abundant),C为常见(common),F为稀少(few),R为稀有(rare),T为痕量(trace),P为存在(present),其中数值形式的丰度以百分比表示



