查询词典 freshwater

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

鳉科鱼产于新大陆的一种底鳉属小型淡水鱼，与弹鱼有亲源关系

The Pomacea canaliculata, an invasive freshwater gastropod, causes a series of problems of the production of rice, ecological environment and parasitic diseases dispersion.

福寿螺作为入侵生物，已经在农业生产、生态环境和寄生虫病传播等方面产生了一系列的影响。

Both laboratory and field experiments have demonstrated that aqueous aluminium can act as a paraciticide to the monogenean Gyrodactylus salaris Malmberg, 1957 infecting freshwater salmonids.

实验室内和田间的试验均表明，铝溶液对感染淡水鲑的三代虫具有杀虫效果。

Both laboratory and field experiments hae demonstrated that aqueous aluminium can act as a paraciticide to the monogenean Gyrodactylus salaris Malmberg, 1957 infecting freshwater salmonids.

实验室内和田间的试验均表明，铝溶液对感染淡水鲑的三代虫具有杀虫效果。

On the other hand, these activities control the amout and quality of freshwater, for example, water used for agricultrue and industry increase, build up reservoir and unloading directly change the balance of the ecological eviromental composition such as salinity, sand, nutrious and microelement in soil, so that control the change of heteroptera Kitog.

人类活动一方面通过建设虾池、大坝及油井平台等活动直接占用了碱蓬生长的土地，另一方面它又通过控制上游淡水的水量与水质，如农业与工业用水的增加、建水库、直接排污等活动改变着区域土壤的盐度、泥沙成分、营养物质、微量元素等生境组分的平衡，进而控制碱蓬的消长。

As an initial attempt to set up a "Freshwater Mussel Watching" system,swan mussels were collected from Wuli Lake of the Taihu Lake in March 2003 for analysis by gas chromatography of dichlorodiphenyltrichloroethanes(p,p′-DDE,o,p′-DDT,p,p′-DDD,p,p′-DDT),and α-,β-,γ-,δ-hexachlorocyclohexane isomers in soft tissues.

作为建立淡水&贝类观察&体系的初步尝试，选定2003年3月采自太湖五里湖水域的背角无齿蚌为研究对象，测定其体内滴滴涕和六六六含量。

However, some tanks and other compartments which are hydrostatically tested with seawater and painting has been provided already, to be washed down with freshwater after testing and to be totally dried and cleaned to the satisfaction of Owner's representative and paint maker's supervisors.

但是，如果一些舱和其他的舱室已经用海水进行了静水力试验并且已经提供了油漆，在实验后应该用淡水洗掉，完全干燥和清洗，使船东监理和制造商监理满意。

Any of numerous coelenterates of the class Hydrozoa, including the freshwater hydras, hydroids, hydrocorals, and siphonophores.

水螅水母类动物水螅水母类无数腔肠动物中的任何一个，包括淡水水螅，水螅类动物，水珊瑚及管水母类动物

The desert areas may indraught seawater and turn to freshwater in the light of their geographical conditions.

发明成果的主要特点：不用任何化工原料，操作简单，使严重缺水的沙漠地带根据地理条件，将海水引进转化成淡水，对恢复沙漠粮田、动植物的成长，消除沙尘爆，有着不可估量的经济效益和社会效益，在水资源严重危机时，可以直接通过管道将海水进入家庭进行转化，达到资源共享之目的，为人类做出贡献，对缺水的国家，本成果具有很高的价值。

A small, brightly colored live-bearing freshwater fish(Poecilia reticulata or Lebistes reticulatus), native to northern South America and adjacent islands of the West Indies and popular in home aquariums.

虹鳉一种色彩艳丽的胎生小鱼，产于南美洲北部和西印度群岛临近岛屿，在家庭的鱼缸中比较常见

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。