查询词典 freshwater

The current taxonomic status of the Clemmys complex of freshwater turtles places the Old World genera Mauremys and Sacalia in the Geoemydidae and the New World genus Clemmys in the Emydinae. These three genera were previously considered to be congeneric.

水龟组由旧大陆潮龟科的拟水龟属、眼斑龟属和新大陆龟科的水龟属组成，这三个属以前一直被认为是同属的，但没有得到形态学和染色体等方面的认同。

Any of several small North American freshwater game and food fishes of the genus Esox, especially E.

狗鱼一种狗鱼属北美淡水小猎物和食用鱼，尤指美国东部和南部的网狗鱼

Sensitivity of juvenile freshwater mussels (Lampsilis fasciola, Villosa iris) to total and un-ionized ammomia.

刘富光，1983。河蚌养殖与其真珠人工生成之研究，中国文化大学海洋研究所硕士论文。

It used to happen naturally with the Nile's seasonal floods; after the completion of Egypt's High Dam in 1970 (one of the most ambitious engineering projects on earth), these seasonal floods came to an end, but a vast network of irrigation canals continued to bring gallons of freshwater to the people who worked the land, the fellahin , ensuring salinity levels remained low.

过去，这一使命自然而然地要由尼罗河的季节性洪水来完成。但是，1970年后，埃及大水坝的竣工（世界上最宏伟的工程项目之一）为这种季节性洪水划上了句号。但是，巨大的灌溉网络继续将大量的淡水送到在田间工作的人--农民的身边，从而使土壤盐度仍然维持在低水平上。

Genuine Freshwater White, Pink, Gray, and Peacock Pearl Fishook Earrings radiate from stylish sterling silver fishhooks.

真正的淡水白，粉红，灰色，和孔雀珍珠耳环辐射菲什克从时尚纯银鱼钩。

Part-holonym brook trout , Salvelinus fontinalis2. North American freshwater trout; introduced in Europe brook trout , Salvelinus fontinalis(member-holonym) Salvelinus , genus Salvelinus

在模拟的夜间仪表气象条件下，美空军的斑点鳟鱼飞机以低空地形突防方式进行了20多个小时的飞行实验，这是首次采用合成视景显示技术进行零/零进近直至在迫降地带着陆。。。。

Worked out a concrete goal for biodiversity conservation in the area, including to maintain and protect the speciality and intactness of the combined ecosystem of rivers and lakes, to protect freshwater resources, to maintain and restore the natural hydrolgical process of the river system of the area, to protect the core species and their habitats efficiently, to protect and restore the typical zonal vegetation (the subtropical evergreen broad-leaved forest), to forbit introducing the invasive species, and to eliminate or control the settled invasive species.

制定了长江中游生物多样性保护的具体目标，即维持和保护江湖复合生态系统的独特性和完整性；保护淡水资源；维持和恢复长江中游水系的自然水文过程；有效保护核心物种及其栖息地；保护和恢复典型的地带性植被；禁止引进入侵性物种，消灭或控制已经定居的入侵性物种。3。

Any of several small New World freshwater fishes of the genus Fundulus,related to the killi fishes .

科鱼产于新大陆的一种底？属小型淡水鱼，与弹鱼有亲源关系

Any of several small New World freshwater fishes of the genus Fundulus,related to the killifishes.

科鱼产于新大陆的一种底？属小型淡水鱼，与弹鱼有亲源关系

Any of several small New World freshwater fishes of the genus Fundulus, related to the killifishes.

科鱼产于新大陆的一种底？属小型淡水鱼，与弹鱼有亲源关系我们是至亲。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。