We investigate optimal policy for a predator-prey system with age-dependent.
研究一类具有年龄结构的捕食-食饵种群动力系统的最优收获策略。
This isn't age-dependent, but depends on the amount of milk that baby is removing from the breast.
这个和哺乳的月龄无关，而是取决于宝宝摄入母乳的多少。
The optimal harvesting problem for a semi-linear age-dependent time-varying population system is discussed.
讨论了年龄相关的半线性时变种群系统的最优捕获控制问题。
This paper, beginning with the general age-dependent population dynamics, discusses the well-pose of stationary solution.
本文从最一般的人口动力系统出发，讨论其稳态解的适定性。
This paper is mainly concerned with optimal harvesting policy for three competing species with age-dependent and diffusion.
本文主要研究具有扩散和年龄结构的三种群竞争系统的最优收获策略问题。
The present paper is concerned with the optimal control problem for an improved nonlinear age-dependent population dynamics.
研究某一类改进的关于年龄结构的非线性种群系统的最优控制问题。
This paper discusses the problem of the optimal harvesting control problem for a semilinear age-dependent population diffusion system.
研究了一类半线性时变种群扩散系统的最优收获问题，证明了最优收获控制的存在性。
Dietary restriction effectively extends lifespan in mammals and decreases the incidence and progression of many age-dependent diseases.
饮食限制有效延长了哺乳动物的寿命，也使许多年龄依赖性疾病的发病率降低且延缓其进展。
In the second chapter, the problem of the optimal control for a class of non-linear population dynamics system with age-dependent is discussed.
第二部分讨论了一类具有年龄分布的非线性种群系统的最优控制问题。
The dosage and interval of drugs change along with growth and development, so it is needed those age-dependent adjustments in infants and children.
儿童的用药量及用药间隔随年龄增长而有所变化，临床上儿童用药应当制订与年龄相适应的最佳方案，而不是简单的按体重或年龄给药。
The influence of the stochastic external environment upon the population dynamics system have never been considered in ordinary age-dependent system models.
对人口系统的讨论，通常的数学模型没有考虑外界环境对系统的影响。
In this paper, the optimal distributed control problems for a class of age-dependent non-linear population diffusion system with final state observation are studied.
讨论了一类具终端观测且与年龄相关的非线性时变种群扩散系统的最优分布控制问题。
It was suggested to the Committee that an age-dependent risk of intussusception might also apply to the 2 novel rotavirus vaccines that are currently in advanced development.
由此向委员会建议，这种发生肠套叠的年龄相关性风险可能也会出现在目前已进入后期研发阶段的两种新型轮状病毒疫苗。
Ok, so here's a graph to illustrate this disease diabetes, and its precursor, IGT, are really age-dependent disorders. The older you get, the more likely you are to experience one of these conditions.
这张图表上，我们发现糖尿病以及IGT（准糖尿病）的发病率都随着年龄的增长而提高，年龄越大，越容易患糖尿病。
The present study provides the first autoradiographic evidence of age-dependent regional changes in the density of serotonin (5-ht) transporters in offspring following prenatal exposure to fluoxetine.
此研究首次提供了孕期暴露于氟西汀的后代中5 -羟色胺转运体密度的与年龄和区域相关变化的放射自显影资料。
In the current age when one is over dependent on the Internet and the electronic media for information, maintaining a library can appear a bit archaic.
在如今的这个时代，当一个人过分依赖因特网和电子媒体来搜索信息时，维持一个图书馆可能看起来就有点过时了。
In China, the age-adjusted prevalence of disability has declined since 1987, with inconsistencies dependent on the type of disability.
1987年以来中国的年龄调整残疾患病率总体已经下降，然而因残疾类别不同得出的结果也不一致。
At the moment, Africa has larger families and more dependent children than India or Arab countries and is a few years younger (its median age is 20 compared with their 25).
现在非洲和印度及阿拉伯国家相比，家庭更大，抚养的孩子更多，而且也更年轻(非洲中位年龄是20岁，相对于印度阿拉伯的25岁)。
Dependent children are allowed to remain on their parents' health policies until age 26.
不能自立的儿童，直到26岁为止，将被允许享受其父母的医保政策。
A related goal might be saving enough for retirement so you don't have to be dependent on someone else in your old age.
一个与之相关的目标也许就是为退休存下足够的钱，这样你就不要年龄老后依赖某人。
Objective to explore the neurotoxic effects of aluminium and age dependent difference of neurobehavioral function among occupationally aluminium exposed workers.
目的探索铝的神经毒性和职业性铝作业工人神经行为功能的年龄依赖性差异。
Conclusion Occupational aluminium exposure might interfere with normal neurobehavioral function, the effects seem to be age dependent.
结论职业性铝接触可影响工人正常的神经行为功能，而且存在年龄依赖性差异。
Young elephants under the age of two years old are dependent upon milk to survive, while older calves depend on their mother's guidance.
两岁以下的象宝宝依靠母乳生存，而稍大点的幼象也依赖母亲的引领。
For mothers with children at dependent age, limitations in parental involvement due to the work arrangement bring a strong sense of guilt.
由于跨境工作的安排以致未能与仍然是依赖年龄的子女有更多的联系，也为母亲带来强烈的罪疚感。
The incidence and severity is dose and volume dependent and can also be increased by chemotherapy, age, diabetes, and spatial factors.
其严重程度及发生率是剂量和体积依赖性的，并会因为化疗、年龄、糖尿病和空间因素而加剧。
In the research, the dependent variable is compliment response strategy, and the independent variables are gender and age of the respondents, and social status of the interlocutors.
本研究所涉及的因变量为恭维语应答策略，自变量为恭维语应答者的社会地位，性别和年龄。
The erythrocyte ATP and NAD contents showed a cell-age dependent decrease , while no such changes happened in their ADP, AMP and NADP contents.
结果表明，正常人红细胞内ATP含量和NAD含量随细胞老化而降低，但ADP、AMP，和NADP含量的改变不明显；
But the treatment appears to be dependent on the amount of residual insulin-producing cells left in the patient and their age at the time of the treatment.
但治疗似乎是在处理时间对剩余产生胰岛素的细胞在患者左额和年龄而定。
But the treatment appears to be dependent on the amount of residual insulin-producing cells left in the patient and their age at the time of the treatment.
但治疗似乎是在处理时间对剩余产生胰岛素的细胞在患者左额和年龄而定。
应用推荐