求翻译：25 mg kg-1菲污染土壤，蚯蚓表皮和肠道的浓度在前60d的每个老化时间表现出显著的差异（p是什么意思？

25 mg kg-1 phenanthrene contaminated soil, the earthworm epidermis and intestinal concentrations of each of the previous 60d aging schedule emerged significant differences (p <0.05), 60 and 150d earthworm epidermis and intestinal concentration difference (p <0.05).

25 mg kg-1 , pollution of soil, and earthworm skin and intestinal concentrations are in the 60d before each aging schedule showing significant differences (p<0.05 ), 60 and 150 D earthworm skin and intestinal tract, that is not concentration differences (p<0.05 ).

25 mg the kg-1 Philippines pollution soil, the earthworm epidermis and the intestinal tract density appears remarkable difference (p<0.05),60 and the 150d earthworm epidermis and the intestinal tract density in the front 60d each aged timetable does not have the difference (p<0.05).

25 mg kg-1 phenanthrene-contaminated soils, earthworms before the concentration in the epidermis and intestine showed significant differences in each aging time of 60d (p<0.05), 60 and 150d concentration of earthworm epidermis and intestine are no difference (p<0.05).

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