Bio-filling has its characteristic of impregnable by watertransparency, suspended materials and unpredictability pollution impact.
生物填料具有不受河道水体透明度，悬浮杂质及不可预见污染负荷冲击等因子限制的特点。
2
The results show that the watertransparency is the key control factor of survival and growth for submerged and leave floating plants.
结果表明，水体透明度是制约沉水植物和浮叶植物幼苗成活及生长的主要因子。
3
Under the impact of tide and runoff, the influencing factors on watertransparency of waterfront tide-influenced lakes always change with a high frequency.