水盾草在所调查的大部分沉水植物群落中基本上为优势种或共优种，并且其优势度与物种数呈显著负相关。
Cabomba had been the dominant or co-dominant species in the most investigated submerged plant communities, and its dominance negatively correlated with the number of species markedly.
水盾草的生物量与水体透明度呈显著正相关，生物量和优势度与溶解氧呈显著负相关，金鱼藻和黑藻与水质间没有呈现显著的相关性。
The biomass of fanwort has significantly positive correlation with transparency, and its biomass and dominance has markedly negative relationship with dissolved oxygen in the water.
结论：角膜塑形镜治疗近视具有特有的降低近视度数速度快、效果显著、安全、可逆的优势，但矫正近视度有一定适用范围。
CONCLUSION: Orthokeratology has the quick, effective, safe, and reversible advantages for myopia, whereas it has certain applicability for correction of myopia.
结论：角膜塑形镜治疗近视具有特有的降低近视度数速度快、效果显著、安全、可逆的优势，但矫正近视度有一定适用范围。
CONCLUSION: Orthokeratology has the quick, effective, safe, and reversible advantages for myopia, whereas it has certain applicability for correction of myopia.
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