查询词典 stochastic

The validity of the modified stochastic dynamic water balance model is verified by long term experimental data of winter wheat field in loess plateau.

本文用黄土高原长武农业生态试验站的冬小麦长期定位试验资料对改进的随机动力学水平衡模型进行了准确性检验。

On the base of these work, the theory and technique which deal with ecological modeling, two-dimension ecological dynamic model and stochastic eutrophication model was researched thoroughly.

在此基础上，较为深入地研究了富营养化生态模型、二维生态动力学模型、随机富营养化模型和面污染模型所涉及的理论和技术问题。

Based on the HP filtering analysis,the stylized facts and important influence of China's energy efficiency fluctuations are detected in the article,and then a dynamic stochastic general equilibrium model is developed to describe the mechanism of energy efficiency change in the short run.

本文从波动角度分析了中国能源效率的变化，特别强调波动成分对能源效率的短期影响，并在动态随机一般均衡框架下构建能源效率的机制决定模型，以探讨不同冲击对中国能源效率波动的作用差异。

Ical modeling ,two-dimension ecological dynamic model and stochastic eutrophication model was researched thoroughly.

本文获得的主要创新点为：提出了建立能很好拟合复杂边界的二维生态动力学富营养化模型的方法。

Stochastic dynamic water balance model ; water cycling ; loess plateau

随机动力学水平衡模型；水量转化；黄土高原

The safety concept of the space rendezvous is improved, and several rendezvous strategies are given; Based on the rendezvous dynamic stochastic model, the computational equations of the collision probability are given and analyzed, and three kinds of simple models of collision avoidance are given.

3完善了空间交会安全性概念，提出了几种提高空间交会安全性的策略；基于交会动力学随机模型，推导了碰撞概率的计算模型，分析了绕飞时不同因素对碰撞概率的影响，提出了利用碰撞概率模型对不同类型轨道碰撞规避策略进行设计的简单方法。

The stochastic mean model cannot catch dynamic change of the short interest rate eirther.

不管是在学术界还是在商业界，短期利率模型都被用来定价固定收益资产的价格和风险。

According to the practical observation method of road traffic noise and by using the micro traffic flow theory, a dynamic and stochastic model, which can predict equivalent noise level and statistical noise levels from complex vehicle flow on a multi-lanes road, is established in this paper.

本文根据我国道路交通噪声的实际观测方法，通过引入微观交通流理论，建立了一种可用于多车道混合车流等效声级和统计声级预测的动态随机模型。

We depict the operation mode, where retailers sell the products with different marketing policies in different selling periods, with the stochastic dynamic programming model, and compare the performance of the centralized system with that of the decentralized system.

应用随机动态规划模型，刻画了不同销售阶段采用不同经销策略的运营模式，比较了集中式和分散式供应链的最佳系统绩效，以及零售商和供应商在两种情况下的期望利润，证明了"双边际化效应"的存在。

Then in a two-independent-asset world, a stochastic dynamic programming model was set up with the beneficiary affiliated to the occupational pension schemes minimizing the deviation of the target returns and the actual returns.

本文首先介绍了中国企业年金的投资监管政策，分析了对企业年金投资进行监管的理由，在监管过程中可能出现的问题，以及未来监管政策的走向。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。