查询词典 normal population

Having a lower population density than normal or desirable.

人口密度比一般的少或者比期望的少。

In China, the 85% population of single youth above normal matrimonial age are men between 30 and 44 years old.

在中国，大龄未婚人口中，85%为30岁至44岁的男性。

The maximum likelihood estimator for population average treatment effect is proved to be consistent, unbiased and asymptotically normal .

并且证明了在正态分布的假设下，该总体平均因果效应的极大似然估计是相合无偏且渐近正态的。

The existence and uniqueness of solution for population dynamics and the corresponding maximum principle are obtained by using Banach's fixed point theorem and the concept of normal cone.

第二节和第三节分别对具有年龄结构的竞争两种群和n种群扩散系统的最优收获问题进行了研究，获得了相应的极大值原理，以及两种群竞争系统最优控制问题解的存在唯一性。

The third chapter is about the optimal control for a class of age-dependent competitive population dynamics with diffusion, the continuity properties of the system solution in terms of the control variable is certificated, the Normal cone theory is applied and the necessary conditions of optimal control problem is obtained.

第三章研究了一类年龄相关的具有空间扩散的竞争种群系统最优控制问题，证明了最优解关于控制变量的连续依赖性，应用法锥理论，得到了最优解的必要条件。

Lacking the normal or required population density .

人口密度比一般的少或者比期望的少。

The range of immune response in a large random population of animals tends to fellow a normal distribution.

在一个随机挑选的大的动物群体中，免疫应答的强弱是呈正态分布的。

The three month window period is normal for most of the population.

三个月的窗口期对于绝大部分人来说是正常的。

The outcome was usually normal in this population.

这组胎儿的后果通常是正常的。

Male breast cancer is more common in KS than in the normal male population.

有一个稍高的风险，发展中国家以下两种类型的癌症。

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