查询词典 forecast

Aiming at forecasting the torpedo acoustic homing range for actual targets under real water conditions, this paper summarizes the typical water conditions in different sea spaces and seasons, presents a forecast method of torpedo acoustic homing range, and establishes a transmission loss forecast model based on the ray acoustic theory and a reverberation level forecast model based on the cell scattering model.

针对真实水文条件下鱼雷声自导对实际目标的作用距离预报问题，总结了不同海域、不同季节的典型水文条件，提出了鱼雷声自导作用距离预报方法，以射线声学理论为基础建立了传播损失预报模型，以单元散射模型为基础建立了混响级预报模型。

This proprietary product ( Patent number: 200530017871.6), is in Shandong the information forecast the research institute, in many years study the motherland tradition Chinese character forecast culture and in the Western tower compass card forecasting technology foundation,"extend the thought" using British biology chemist Scherr Drake the theory, pass through explore, the new generation high tech content forecast tool which unceasingly develops.

该专利产品（专利号：200530017871.6），是山东中正信息预测研究所在多年研究祖国传统汉字预测文化和西方塔罗牌预测技术的基础上，应用英国生物化学家谢尔德雷克"延伸的思想"理论，经过不断探索，开发出的新一代高科技含量的预测工具。

The paper analyzes historical influence in studying of traditional earthquake forecast of earth tide, and compares geohysical charactistics of earthquake forecast with that of Geodyuamics by earth tide in vibrating frequency, measure of volume of vibrating source and transmit distance. It emphasizes that the setting up of fundamental conception is the most important in earthquake forecast by earth tide.

本文分析了现行固体潮地震研究中的历史影响，对比研究了固体潮地震预测研究和固体潮地球动力学研究二者在振动频率、振动源体积、传输距离与介质等方面的地球物理特点与本质区别，强调了固体潮地震预测研究中最根本的工作是建立地震预测的目标和基本概念。

The subject is based on the study forward position of water resources management of LIAONING province, and use the developed tendency and succeeded experience of world water resources for reference, take theory of sustainable development as guiding ideologue, adopt systematic project, protection of ecosystem and environment and theory of economy forecast engage in composite analyze, dynamicevaluate and forecast analyze, forecast developed tendency of water resources supplement and demand of LIAONING province, put forward water resources rational disposition, economize on water, the prevention and control of water pollution and strength water resources protection etc.

本课题立足于辽宁省水资源管理研究前沿，借鉴了国内外水资源发展趋势和成功经验，以可持续发展的理论为指导，运用系统工程、生态环境保护理论和经济预测理论进行综合分析、动态评价，进而预测辽宁省水资源供需发展态势，提出了辽宁省水资源合理配置、节约用水、水污染防治和增强水资源保护等措施，为辽宁省抗旱、节水和水资源优化配置提供决策依据。

The dissertation, from the view of the changes in the theory of strategic planning, in the planning forecast, in the development of strategic tools and innovation of strategic planning technology, clarifies and criticizes the planning forecast of the absolute rationalism and the indeterminism of the post-modernism and finally indicates the ides of alternative forecast on epistemology and theory of practice.

从战略规划理论体系的变革、规划预测思想的转变、战略工具的发展和战略规划技术路径创新的角度出发，本文澄清和批判了绝对理性主义完全预测论和后现代主义的不可预测论，明确提出要坚持认识论与实践论上的渐进主义和有限预测思想。

The dissertation, from the view of the changes in the theory of strategic planning, in the planning forecast, in the development of strategic tools and innovation of strategic pl anning technology, clarifies and criticizes the planning forecast of the absolute rationalism and the indeterminism of the post-modernism and finally indicates the ides of alternative forecast on epistemology and theory of practice.

从战略规划理论体系的变革、规划预测思想的转变、战略工具的发展和战略规划技术路径创新的角度出发，本文澄清和批判了绝对理性主义完全预测论和后现代主义的不可预测论，明确提出要坚持认识论与实践论上的渐进主义和有限预测思想。

And the reasonable proposal for the construction the region electrical power system was put forwardThe power load forecast is the basis of the power system planning.With the actual planning of regional development,uses a scientific and effective load forecasting methods forecast plans the local load electric quantity,is an important work to the regional power system planning.This dissertation uses the BP algorithm, proposed a double hidden layer structure artificial neural network to the forecast ultra-short-term power system load.After the simulation with the actual data,the method which this dissertation proposed compared to the traditional linear extrapolation Prediction method average absolute percent error of 2.5 percentage points,ten minute load forecasts achieve the average absolute percentage error are smaller than 2.5%accuracy.

本文利用人工神经网络BP算法，提出了一种双隐层结构的电力系统超短期负荷预测方法，经过对实际数据的仿真实验，本文提出的神经网络超短期负荷预测方法比传统的线性外推法预测平均绝对百分误差降低2.5个百分点，十分钟负荷预测达到平均绝对百分误差小于2.5%的精度。

Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows:①reviewed entirely the origin and evolvement of the concept "sustainable development", stated and commented the study status in queue on"sustainable development"around national and international range, thorough discussed the science connotation about the concept "sustainable development";②looked back and commented across-the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings;③expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory;④thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the MATLAB software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the B-J method and Morte-Carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources;⑤synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming, mathematical statistics, random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality;⑥analyzed the inside condition and outside condition to assure the sustainable and optimum exploitation of groundwater resources, the inside conditions are the follows: correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows: the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water-saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology;⑦scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy;⑧point out the more directions on groundwater resources.

它将为制定水资源的可持续发展目标和战略决策提供科学依据，为制定社会、经济可持续发展战略提供理论基础。基于以上考虑，论文主要从以下几方面对地下水资源可持续开发问题进行了比较深入的探讨：①全面回顾了"可持续发展"概念的由来与演变，对国内外"可持续发展"的研究现状进行了述评，并对"可持续发展"概念的科学内涵进行了深入探讨；②对涉及地下水资源的一些最基本的概念和命题进行了全面的回顾和评述，对目前仍然存在的一些错误观点和混乱认识提出了自己的见解；③全面阐述了地下水资源变值系统理论的内容和意义，并与传统的地下水资源计算评价方法进行了对比分析，结合实例具体说明了方法的应用；④深入分析了地下水资源预测预报工作的极端重要性和复杂性，对传统的地下水资源动态预测方法进行了全面的评述，指出了各类预测预报方法的特点及适用条件，对最近二十多年刚发展起来的小波分析技术的主要思想和方法及其应用范围，以及号称第五代计算机语言的MATLAB软件和附带的小波分析工具箱进行了介绍，并应用于地下水动态过程线的分析，采用时间序列中的B-J法，蒙特卡罗方法，与地下水资源变值系统理论相结合，探讨了地下水动态资料分析和地下水资源预测预报的新思路；⑤综合分析了现今各类地下水管理模型的特点及缺陷，将数学规划、数理统计、随机过程等与地下水变值系统理论相结合进行地表水地下水或多水源的联合优化调度，使模型更准确、更实用；⑥对保证地下水资源可持续开发的内部条件和外部条件进行了分析，内部条件主要是正确的资源观，科学的资源计算与评价方法，可靠的资源预测预报技术，可操作的资源管理措施，外部条件主要是高层发展思路、管理体制的变革、配套的政策法规、经济杠杆的调节、人文素质的提高、节水意识的增强及具体节水措施、人口增长的控制、水体污染的防治、生态的恢复和重建等；⑦从宇宙科学、地球系统科学及哲学的高度审视地下水资源的可持续开发；⑧指出了地下水资源可持续开发的进一步研究方向。

Recent study results show that combined forecast model approach enjoys more precise forecast than monomial forecast approach.

近年来的研究表明，组合预测方法比单项预测具有更高的预测精度。

Then, transmission relationship between frequency for maximum flood discharge in a yearand frequency for every flood in this year was established. And based on the risk rate ofdynamic controlling reservoir water level in flood season defined by Prof. B.D Wang andmaximum entropy model of forecast error distribution, the definition of risk rates when usingflood forecast or combination of flood forecast and precipitation forecast to control limitwater level in flood season were difined. And their corresponded calculation methods weregiven as well in this dissertation.

在王本德教授对汛限水位动态控制风险率定义的基础上，结合预报误差分布的极大熵模型，通过分析年频率与次频率的转换关系，建立了利用洪水预报以及洪水预报和降雨预报联合应用动态控制水库汛限水位的风险率定义及其计算方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。