查询词典 penna

In Chart 1, the introduction of Penna model, it applications and almost all references about it are given.

首先在第一章中介绍了Penna模型及它的具体应用，并对相关的文献进行了介绍。

In this chapter, individual used Penna sexual propagation model to express.

在本章，个体使用Penna有性繁殖模型来表达。

But it is very complicated to describe simpler primitive Penna model

但是对于比较简单原始的Penna用数学理论描述起来也是非常复杂的，并且得到的结果也和模拟模型的结果相差很大。

Chapter 3: the common ancestor is discussed by the Penna model.

第三章利用Penna模型来对共同祖先问题进行研究。

J. P. Penna in 1995. Recent years, there are many phenomena reproduced by the model.

Penna提出，利用该模型一些生物界中的现象得到了解释。

To imitating Penna model of the computer simulation, some scholars attempt to portray this model the mathematics theory.

针对模拟模型机制的Penna模型，一些学者试图通过数学理论来刻画。

J. P. Penna in 1995, is one of the typical models.

Penna提出的Penna模型就是其典型的代表。

We developed the Penna model to record the information of ancestor in the process of individual\'s evolution. Besides, both of the entropies of blood relationship and genetic diversity are defined.

本文在Penna模型的个体演化过程中，记录祖先信息，并以此定义了Penna模型中的血缘关系熵以及关于个体多样性的熵。

This paper discusses related issues of biology evolution based on the Penna model, including extragenetic diseases,"closed fishing" and the development trend of China population based on Penna Model.

本文是基于Penna模型来研究生物演化问题的，其中包括非遗传疾病、休渔政策和中国人口发展趋势的相关问题。

It helps to understand some evolvement processes of species, especially in dynamical system. For instance, studying the growth of cod fish simulation of wolf in Alaska, relationship between death age and relatives, evolvement. of species, evolvement process of competition, reproduce and natural selection of haploid, and one-species cellular automata model based on the Penna model was founded on a lattice of two dimensions.

利用Penna模型有助于理解一些生物演化过程，尤其是在种群动力系统中发挥了重要作用，如北极鳕鱼生长的研究，Alaska狼群模拟，近亲遗传死亡年龄之间的关系，种群的演变，单倍体种群的竞争，繁殖，自然选择等种群演变过程，二维格子上建立基于Penna模型的单物种元胞自动机模型是Penna模型与格子结合的早期文献。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。