population forecast 中文意思是什麼

Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed 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 " ; ( 2 ) looked 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 ; ( 3 ) expatiated 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 ; ( 4 ) thorough 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 ; ( 5 ) synthetically 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 ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation 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 ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。

To counter the tendency of the development of the marketization, specialization, information - orientation, and modernization of highway transportation, this paper systematically and comprehensively addresses the problems of city main - hub planning, and particularly the problems of hub planning, passenger traffic, freight traffic, and traffic information planning, etc. the main aspects can be seen as the following : 1. on the basis of forecast of the four indexes, through the modeling of traffic hinge station " s address - choice, according to the synthetical analysis of the distribution of economy, industry and population, city planning and traffic structure, etc in chengdu, the planning of the main - hub of chengdu is established and the module function and the structure of the highway hub systems are analyzed

本論文主要針對現代公路運輸市場化、專業化、信息化、現代化的發展趨勢，結合主樞紐城市運輸規劃中的相關問題進行分析研究，特別是對公路運輸規劃中的主樞紐規劃、客運規劃、貨運規劃、運輸信息規劃等公路運輸所涉及的關鍵問題進行系統、全面、深入的分析研究，主要工作有以下幾個方面； 1 、在對公路運輸四大指標預測的基礎上，通過對公路樞紐場站布局選址模型的建立，根據成都市經濟布局、產業布局、緘市規劃、人口分布，路網結構等相關因素的綜合分析，確定了成都市主樞紐規劃，並分析了公路主樞紐系統的模塊功能和結構組成。

On the basis of the problems of the current traffic volume forecast on the high - type highway in our country. this paper has a survey on hebei province ' s and handan city ' s current traffic volume on the high - type highway and their geographical locations, natural resource distributions, social economy and population growing and studies these relative elements with traffic volume

本文基於我國目前高等級公路交通量預測中存在的問題，對河北省暨邯鄲市現有的高等級公路交通量的增長、分佈情況，及其地理位置、自然資源分佈、社會經濟、人口增長等影響交通量的主要因素進行調查研究。

In this article, we use the model of population prediction by modified index curve to forecast the population development of our country in the future, and in the short term, we can see that it has a very good effect

摘要文章應用修正指數曲線模型來預測我國人口的未來發展狀況，並從短期來看有比較好的預測效果。

The results indicated that it was easy, feasible and practical to forecast the dynamics of the adult population with the method

結果表明：應用此方法監測馬毛松毛蟲種群數量動態的變化，簡單、實用、可行。

Through water footprint promulgated the actual demand of the water resources to humanity, which introduced the research forecast and insufficiency of virtual water strategy, alleviated the short present situation of water resources of virtual water strategy, guaranteed the water resources and the population, cultivated land region combination balanced

通過水足跡來揭示人類對水資源的實際需求和佔用，介紹了虛擬水戰略的研究展望及存在的不足，通過應用虛擬水戰略可以緩解水資源短缺現狀，保證水資源與人口、耕地的地域組合均衡。

His forecast was that the japanese economy is nearing the end of deflation and the time for change where the younger age population will shift to increase consumer spending. simultaneously, he explained that increase in " personal consumption " would trigger business in japan again, together with insight on the changes of " sellable products " with data information

預計在這過程中，消費人口的核心將逐漸移向年輕化同時他還用"緊俏商品"的變化與數據相結合一起說明了，今後作為日本經濟景氣牽引作用的"個人消費"會出現增長。

Population forecast of monba minority of china and study on the multi - national area economy development

中國門巴族未來人口預測與民族地區經濟發展研究

By using the improved gravity model and gray theory model, the essay makes forecast analysis on future passenger traffic volume of shjiazhuang - taiyuan passenger - dedicated line from three aspects, including passenger flow of local line, passenger flow originating from other railways and induced passenger flow, and using gdp and population density of surround cities along the passenger corridor, the passenger traffic volume on existing line of shijiazhuang - taiyuan passenger corridor and the weighted operation time between cities as impact factors respectively

摘要利用改進的重力模型和灰色理論模型，從石太客運專線的本線客流、跨線客流和誘增客流3個方面，分別以客運通道周邊城市的gdp和人口分布密度、石太客運通道既有線的旅客運輸量、城市間的加權運行時間為影響因子，對石太客運專線的旅客運輸量進行預測分析。

Analysis of statistics and forecast of the level of urbanization on population

人口城市化水平的統計預測分析

After a short - term load forecasting method based analogous and linear extrapolation is proposed, the load forecast and the priority of equipment action are led into static reactive power optimization. the aim function is constructed for the practical situation of power system. on the basis of traditional genetic algorithm the fitness function and the holding of population diversity are improved

在提出基於相似日和線性外推的短期負荷預測新方法的基礎上，將負荷預測和設備動作優先級引入靜態無功優化中，並結合電網實際情況，構造了實用的目標函數，對遺傳演算法的適應度函數和群體多樣性的保持進行了改進，採用鄰域搜索運算元增加遺傳演算法的局部尋優能力。

According to the population equilibrium equation and utilize the population poly - factor compounding projection, this paper expounds the basic population projection methods and steps in the exoteric regions so as to provide the concrete population forecast practice some instructions

本文依據人口平衡方程，運用人口分要素組合預測法，闡述了開放區域人口預測的基本方法和步驟，從而為具體的人口預測工作提供思路借鑒。

A neural - network based forecast for aging population trend in china

基於神經網路的我國人口老齡化趨勢預測

A large proportion of the hong kong population lives near the coast and is subject to the threat of storm surge associated with typhoons. schemes to forecast storm surge under operational conditions are developed

香港大部分人沿海居住，他們可能受到由臺風引起之風暴潮的威脅。風暴潮之業務性預報方案已經制定。

Assess generally development and exploration conditions of the region and the city, forecast regional population increase thus form aims of urbanization

綜合評價區域與城市的發展和開發建設條件，預測區域人口增長，確定城市化目標。

Hereafter being the forecasting to the old age population coefficient, this text has been applied two kinds of regression model, namely univariate linear model and logarithmic model, and thought over three kinds of economic speed of development ( high, middle, low ) in the logarithmic model to forecast the old age population coefficient respectively. finally, by analyzing the forecasted value and the inertia law of population development, the paper points out the lengthening of the population equally expected life span will push forward the aging of population step by step to the advanced age development ; the development trend of the population aging continues to be clear, and just appears a stage characteristic ; furthermore, the population aging speed in rural area will be faster than in the city

此後是對老年人口系數的預測，本文應用了兩種回歸模型，即一元線性回歸模型和對數擬合模型，並在對數擬合模型中考慮了經濟發展速度的高、中、低三種方案，對老年人口系數分別進行預測；最後在分析預測值和人口發展慣性規律基礎上對山東省未來人口老齡化發展趨勢作了較深入分析，指出人口平均預期壽命的不斷延長，將逐步推動人口老齡化向高齡化發展；人口老齡化繼續發展趨勢明顯，且呈現出階段性特徵；農村人口老齡化速度將快于城市。

Proceeding from the theory of region sustainable development and dss at first, the function and frame of regional sustainable development decision supported system have been analyzed ; then the oriented - object methods have been used to analyze the model base of the rsddss and set up the mbms which is fit for the rsddss ; on the above foundation, the issue of model intelligent selecting have been proposed, and the rational policy and methods to problem have been put forward on the basis of application of the intelligent technology such as nature language understanding, neural net etc. at last, the population forecast in the sustainable development decision supported system of hebei province has been taken as an example, to be carried on the positive demonstration research on the selecting of intelligent model

本文首先從區域可持續發展、決策支持系統的理論出發，對區域可持續發展決策支持系統（ rsddss ）的功能和框架進行了分析；然後運用面向對象的方法對rsddss的模型庫進行了設計，建立於適合於rsddss的模型庫系統；在此基礎上研究了模型的智能選擇問題，應用自然語言理解、神經網路等人工智慧技術提出了模型智能選擇相關的策略和方法；最後以河北省可持續發展決策支持系統中人口子系統的人口預測為例，對上述理論方法進行了實證分析。本文的研究對于rsddss的建立是一種有意義的嘗試，對可持續發展決策支持理論研究和實踐必將起到積極的作用。

Application of support vector machines in population forecast

支持向量機在人口預測中的應用

The factors mentioned have been taken into consideration in the population forecast

有關意見已納入人口預測中以作考慮。

Our population forecast for scenario and different development options will be worked out based on the forecast provided by the census and statistics department ( c & sd )

因此，在制訂研究的發展可能趨勢和發展方案的人口假設時，會充分參考統計處的相關推算。