查询词典 biological population

The distribution pattern was determined by the biological properties of the population, the difference of the environmental conditions and the interaction between the two.

这种分布格局是由种群本身的生物学特性和环境条件的不同以及两者之间的相互作用所决定的。

Objective On the basis of briquette reducing SO2 air pollution, we researched its influence to biological indexes of population.

目的 在固硫型煤可降低空气中SO2污染的条件下，研究其对人体生物学指标的影响。

The PCR-DGGE method was a useful tool for the analysis of population dynamics in biological systems.

而 PCR- DGGE方法在污水处理中的应用，则使人们对污水处理过程中微生物群落的变化产生了新的认识 [1 5～ 1 7]。

But the existence in question is no longer the juridical existence of sovereignty; at stake is the biological existence of a population.

但是生存的考虑不再是君主的司法存在；考虑的是人口的生物存在。

Because of the specific role of the virus in the womb to help build the placenta, which for the maintenance of the survival of mankind and advanced biological reproduction and population development is essential.

因为病毒的具体作用是在子宫中帮助建立胎盘，这对于维持人类和高级生物的生存繁衍和种群发展是至关重要的。

Different to the biological nature multiplication, population development is still the result of adjustment of the social culture environment, so reproduction has strong kind of society and culture.

不同于生物的自然繁衍，人口发展始终是人口对所处的社会文化环境不断调适的结果，人口再生产具有浓厚的文化色彩。

So it is important to identify the pathogens, to know the genetic diversity of pathogen population and the biological characteristics of pathogens.

本研究旨在确定引起苍术黑斑病的病原，了解病菌的群体遗传变异及病菌生物学特性。

Therefore, the research scope of modern ecology in individual organisms, population and biological communities, human society has been expanded to include various types of compound ecosystem system.

因此近代生态学研究的范围，除生物个体、种群和生物群落外，已扩大到包括人类社会在内的多种类型生态系统的复合系统。

This paper proposes a novel growing neural-gas self-organizing algorithm to identify chaotic systems by imitating biological group population growing process.

在自组织神经网络基础上，根据生物群落自然增长的机制，提出了一种新的生长型神经气的自组织算法，用于混沌系统的自组织辨识。

Genetic Algorithms is an adaptive intelligent algorithm about random global search and optimization based on the mechanism of "survival of the fittest" of biological evolutionary theory and population genetics principle.

遗传算法是基于生物进化论的"适者生存"机制和群体遗传学原理而开发出的一种随机全局搜索与优化的自适应智能算法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐