查询词典 aquatic plants

Any of several aquatic plants of the genus Cabomba, having opposite, finely divided, fanlike submersed leaves and alternate, entire, peltate floating leaves.

水盾草水盾草属水草植物，有相对立的、扇形的水中生长的分叶及交错的完整盾状浮叶

Results showed that aquatic plants such as Ceratophyllum demersum,Vallisneria spiralis,Ipomoea aquatica,Lemna minor and Potamogetom crispus Linn had the great ability to remove total nitrogen,total phosphorus,nitrate nitrogen and ammonia nitrogen in eutrophicated water.

结果表明：金鱼藻、苦草、空心菜、浮萍和菹草对富营养化水体中总氮、总磷、硝态氮、氨氮都有较好的去除作用，其中以空心菜和金鱼藻效果最好。

Cyperaceae Eleocharis Eleocharis perennial nature of aquatic plants, native to China and India, southern China's long history of cultivation, mainly south of the Yangtze River provinces.

荸荠系莎草科荸荠属宿根性水草植物，原产中国南部和印度，我国栽培历史悠久，主要分布长江以南各省。

Emersed aquatic plants.

露出水面的水草

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道内不得弃置沉船，不得设置碍航渔具，不得种植水生植物。

In any river, lake, reservoir and canal: discarding or piling objects impedimental to flood passage and navigation, or planting trees and growing crops of long stalk variety impedimental to flood passage; and in any navigation channel: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants

一在江河、湖泊、水库、渠道内弃置、堆放阻碍行洪、航运的物体的，种植阻碍行洪的林木和高杆作物的，在航道内弃置沉船，设置碍航渔具、种植水生植物的

There were many aquatic plants have the potential utilization in water garden, such as Lythrum salicaria, Scirpus validus cv.

除了目前常用的种类外，千屈菜、花叶水葱、泽泻、鱼腥草、苦草等水生植物均具有较大的应用前景。

Monotypic family of aquatic plants having narrow leaves and small flowers.

水生单子叶植物的一科具有窄小的叶子和小花。

Monotypic family of aquatic plants having narrow leaves and small flowers.

宽叶的嫩菊苣，由于缺少日光照射，致使头部窄小发白。

Crassipes and other aquatic plants pulssingall combination in series showed efficiant removing ability for nitrogen and phosphorus,and the inlay combination of E. crassipes, Trapa manshurica and Nymphaea tetragonashowed better removal efficiency for redox organic pollutants than the inlay combinationadding other combination in series.

人工复合生态系统试验表明，凤眼莲与水生植物的镶嵌组合加各级串联组合能有效去除氮磷，而对于还原性有机污染物，凤菱睡镶嵌组合的去除效果相对要好于镶嵌组合加各级串联组合。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。