底泥成分以粘土、粉砂为主，水体混浊度高可能与底泥粒径较小以及鱼类和游船活动的强扰动性有关。
High water turbidity was likely related to small grain size of the sediments and high turbulence caused by fish and boating activity in this lake.
结果两组间羊水指数（AFI） ，羊水混浊度（AFM）与胎儿宫内窘迫（C FD）发生存在显著性差异（P<0 。0 5或P。
Results There were significant differences in amniotic fluid index(AFI), amniotic fluid muddy(AFM) and cavity fetal distress(CFD) between the two groups (P<0.05 or P<0.01).
结果两组间羊水指数（AFI） ，羊水混浊度（AFM）与胎儿宫内窘迫（C FD）发生存在显著性差异（P<0 。0 5或P。
Results There were significant differences in amniotic fluid index(AFI), amniotic fluid muddy(AFM) and cavity fetal distress(CFD) between the two groups (P<0.05 or P<0.01).
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