Barely Significant

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By comparing the differences in positive detection rates and the incidence of chromosomal abnormalities between groups, we concluded that with the increase of fetal NT value, the positive detection rate of NIPT gradually increases, and the incidence of fetal chromosomal abnormalities also shows an increasing trend.
The results revealed that: (1) From 2000 to 2020, the areas of woodland and water body exhibited a decreasing trend, while cropland and construction land expanded steadily.(2) The soil erosion modulus in the Kangding River Basin first increased and then declined during the study period, rising from 16.32 t·hm -2 ·a -1 in 2000 to a peak of 21.85 t·hm -2 ·a -1 in 2005, and subsequently decreasing to 11.16 t·hm -2