single species

Optimal Control Problem of a Single Species System Affected by Toxicant

一类受毒素影响的单种群系统最优控制问题

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I do not know of a single species of fish that swims in that manner.

我不知道有哪种鱼用那种方式(上文提到的方式――译者)游.

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Isoenzyme ( isozyme ) An enzyme that occurs in different structural forms within a single species.

同功 酶:是某一物种中具有不同的结构类型的一类酶.

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travelling wave fronts in a single species population model with stage structure

具有阶段结构的单物种种群模型的波前解

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this paper is concerned with the asymptotic behaviour of solutions of models of single species growth when the carrying capacity of the environment is oscillatory. the present paper extends known results obtained in [ 5].

考虑当环境容纳量是振动时单种群增长模型解的渐近性，所得结果推广了文[5]中给出的结果。

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When a predator always eats huge numbers of a single prey, the two species are strongly linked ； when a predator lives on various species, they are weakly linked ．

如果捕食者总是吃掉大量的单个物种，那这两个物种就是紧密相连的；如果猎食者靠捕食多个物种为生，那它们之间的联系就比较弱。

高考真题- 2019 天津 阅读C

travelling wave solutions of a nonlocal single species model with discrete delay

具有离散时滞的非局部单物种种群模型的行波解

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Non-autonomous population dynamics model for single species with Allee effect affected by human activities and its application: A case study of red-crowned cranes Grus japonensis

人类活动影响下具有Allee效应的非自治种群演化模式的研制及其应用&以丹顶鹤为例

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In a single-species fluid, the subscript may be dropped.

对于 单组分 流体, 这个下标可以省略.

词典精选例句

A non-local delayed reaction-diffusion model for a single species with stage structure is studied.

研究一个具有阶段结构的非局部时滞单种群人口模型。

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The highest rate of poaching for a single species was more than 70 percent.

对一种鹦鹉的偷猎比例高达70%有余.

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They are emblematic of what I would call single-species conservation: ie a focus on one animal.

它们是单一物种保护的象征: 即,侧重于一种动物.

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Both single species and whole groups of species last for very unequal periods.

单独的物种以及整个的物种群存续的时期极不相等.

词典精选例句

The three species evolved from a single ancestor.

这三种生物从同一祖先进化而来。

《牛津高阶英汉双解词典》

Global attractivity of single species model with feedback control

具时变离散时滞单种群反馈控制模型的全局稳定性

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Some TSEs stick to a single species, while others ignore such boundaries.

有些TSEs只针对某一物种, 而其他TSEs却设有种的界限.

英汉非文学 - 生命科学 - 口蹄疫疯牛病

Many species have diverged from a single ancestor.

许多物种都是同宗演变而来的。

《牛津高阶英汉双解词典》

Eucommia ulmoides belongs to a single species genus in the plant family Eucommiaceae. It is an economical plant native to China, while Korea and Japan start introducting in recent years.

杜仲是单科单属植物，原产于我国，为我国特有的经济树种，在日本、朝鲜等国亦有栽培。

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The results showed that the kilograin weight, seed weight of single plant and number of branch ears in SP1 of the two species were significantly higher than those of the control respectively.

试验结果表明，SP1代种子千粒重、单株籽粒重、分枝穗数均比对照明显增加。

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By contrary, a community was often dominated by single species in temperate or boreal forest.

然而，与热带森林群落相反，温带或寒带森林群落经常是由单物种占优势。

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With locally preponderant duckweed after selection and alternanthera philoxeroides cultivated in single species and accrete system, performance on removal efficiency of nitrogen and phosphorus in municipal wastewater and diluted anaerobically pretreated wastewater from a cattle farm were investigated.

以经筛选得到的本地优势浮萍和水花生为研究对象，通过设置浮萍、水花生单种和浮萍-水花生混养等三种体系，考察了其对生活污水和稀释的牛场厌氧废水N、P的净化效果。

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the advance gradually quality of single species nonautonomous diffusion models

非自治单种群扩散模型的渐近性质

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