freshwaters
美
英 
例句
Ichthyological Exploration of Freshwaters.
淡水鱼类调查。
Water quality. Design and use of quantitative samples for benthic macro-invertebrates of stony substrata in shallow freshwaters.
水质.浅淡水中多石底层上水底大型无脊椎动物定量取样的设计和使用
Influence of interaction of light and phosphorus on growth of two species of algae in freshwaters
光照与磷的交互作用对两种淡水藻类生长的影响
Research on Microcystins in Freshwaters with Relation to Environmental Factors
微囊藻毒素含量与自然水体环境影响因子的相关性
Water quality; design and use of quantitative samplers for benthic macro-invertebrates on stony substrata in shallow freshwaters
水质.为浅淡水中多石底层上的水底大无脊椎动物而设计和使用定量取样器