查询词典 water milfoil

The Chinese grass carp is one. It eats large amounts of water milfoil and other weeds that grow under the water surface.

中国草鱼即是一例，它能吃掉大量狐尾草之类的长在水面下的杂草。

The Chinese grass carp is one. It eats large amounts of water milfoil and other weed s that grow under the water surface.

中国草鱼即是一例，它能吃掉大量狐尾草之类的长在水面下的杂草。

The results show that: Rhizome of Oldworld Arrowhead., water lettuce, and Brazilian milfoil. have a normal growth in eutrophicated water, and they also have a certain degree of purification capacity.

结果表明：慈姑、大薸、穗状狐尾藻在供试富营养化水体中均能正常生长，对富营养化水体均有一定的净化能力。

Grown alone, Rhizome of Oldworld Arrowhead , water lettuce, and Brazilian milfoil, have a DO increase rates of 62.5%, 50% and 50% in water respectively; Besides the total removal efficiency of BOD are 93.26%, 90.27% and 92.38%; What's more ,the total COD removal efficiency are 76.02%,, 71.58% and 79.76%. respectively.

单独种植的慈姑、大薸、穗状狐尾藻供试水体中DO的升高率分别为62.5%、50%和50%；对BOD的总去除率分别为93.26%、90.27%和92.38%；对COD的总去除率分别为76.02%、71.58%和79.76%。

Using three different types of living aquatic plants Rhizome of Oldworld Arrowhead, water lettuce, and Brazilian milfoil as test materials,we study a single planting of that three aquatic plants' impact on eutrophicated water DO, BOD, COD.

中文摘要：选择三种不同生活型水生植物慈姑（Sagittaria sagittifolia 、大薸、穗状狐尾藻为试验材料，研究了单一种植这三种水生植物对富营养化水体中的DO、BOD5、COD的影响。

Hydrophytes with floating leaves can exchange gases with the atmosphere; many submerged hydrophytes, such as spiked water milfoil have no stomata, absorbing water and gases over their entire surface.

而很多沉水植物，如狐尾藻没有气孔，通过整个植株的表面吸收水分和气体。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。