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虫类

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Anthozoa,ctenophora,bryozoas.

珊瑚虫类,栉水母类,苔藓虫门。

Several significant changes were found in the composition of the rotifer, cladoceran and copepod assemblages.

许多重要的变化被发现在轮虫,枝角类和桡足类群体的组成中。

Tte also suggest a possible comparison with the Ediacara trilobozoan fossils-Albumares and Anfesta from the shores of the White Sea in Russia. The re-cent discovery of a few skewed E. octobrachiata and walnut-shaped fossils with several carbonaceous meridian bands believed to represent lateral compressions of the same organism strongly suggests that this octoradial fossil is a ctenophoran.

新发现的倾斜保存的八臂仙母虫化石和碳质条带呈子午线状排列的核桃状化石,可能是该类化石归属栉水母类的有力证据,这一发现推测可将栉水母类的最早化石记录从"澄江生物群"的早寒武世推前大约3千万年。

A method combining HPLC, a post-column derivation device and a fluorescent detector was used to determine residues of ten carbamate pesticides (aldicarb sulfoxide, aldicarb sulfone, oxamyl, methomyl, 3-hydroxy carbofuran, aldicarb, propaxur, carbofuran, carbaryl and methiocarb) in 68 vegetable and 32 soil samples under four different cultivation systems (traditional kailyard, open field vegetable base, green house and paddy) were collected from a certain city in South Jiangsu.

本研究采用高效液相色谱-柱后衍生-荧光检测法分析了苏南某市4种不同种植方式下(传统菜地、露天蔬菜基地、大棚蔬菜基地和水稻田)68个蔬菜样品和32个土壤样品中10种N-甲基氨基甲酸酯类农药(涕灭威、涕灭威砜、涕灭威亚砜、杀线威、灭多威、残杀威、克百威、3-羟基克百威、甲萘威和灭虫威)的残留量,结果表明在蔬菜中检出的氨基甲酸酯农药残留水平多处于0.2~23μgkg^-1,土壤中为0.1~10μgkg^-1;土壤中3-羟基克百威和灭虫威全部检出,其最高检测浓度分别为10μgkg^-1和1.64μgkg^-1,其他农药仅有少数检出。

Such plants usually have one or more domatia, cavities in stems, leaves or roods that house ants. These may be elaborate systems of cavities with many chambers, e.g. Myrmecodia, or simple hollows in internodes, leaf veins, petioles or stipular spines, e.g. whistling thorns.

这类植物通常都具有一个或多个虫菌穴,虫菌穴是在植株的根、茎、叶上用来容纳蚂蚁的空腔,这些空腔具有许多发达的小室,例如茜草科具有简单而中空的结间部,阿拉比卡咖啡具有含有空腔的叶脉,有的植物叶柄及托叶处也有这样的结构,例如牛角刺槐。

Tephrosia vogelii is a important insecticidal plant for having abundance rotenoid compounds. Among them, rotenone has the highest activity.

非洲山毛豆是一种重要的杀虫植物,其体内的主要活性成分为鱼藤酮类化合物,以鱼藤酮的杀虫活性最高。

Tephrosia vogelii is a important insecticidal plant for having abundance rotenoid compounds.

非洲山毛豆是一种重要的杀虫植物,其体内的主要活性成分为鱼藤酮类化合物,以鱼藤酮的杀虫活性最高。

Cobia are frequently parasitized by nematodes, trematodes, cestodes, copepods and acanthocephalans.

因数是经常寄生线虫、吸虫、 cestodes、桡足类和 acanthocephalans。

Any of various similar arthropod animals, such as spiders, centipedes, or ticks.

虫各种类似的节肢类动物,如蜘蛛,百足虫或蝉

Total phenolics and reduced sugar were the substances of wheat induced resistance to wheat midge, while tannins had no relation to induced resistance.

总酚、单宁和还原糖是影响其生化抗虫性的关键因子,总酚尤为重要;类黄酮为次要因子;可溶性糖与品种抗虫性关系不明显。

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推荐网络例句

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。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。