等周問題 的英文怎麼說

中文拼音 [děngzhōuwèn]
等周問題 英文
isoperimetric inequality
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : Ⅰ動詞1 (請人解答) ask; inquire 2 (詢問; 慰問) question; ask about [after]; inquire about [aft...
  • : Ⅰ名詞1. (題目) subject; title; topic; problem 2. (姓氏) a surname Ⅱ動詞(寫上) inscribe; write
  • 問題 : 1 (需回答的題目) question; problem 2 (需研究解決的矛盾等) problem; matter 3 (事故或意外) tr...
  1. We have to use some other methods to measure the luminosity or equivalently the absolute magnitude of the cepheid variable. since we can readily measure the apparent magnitude of a cepheid variable, to measure the luminosity means measuring the distance. we use some distance measurement methods, for example, parallax, to determine the relation

    要弄清這個關系,我們要知道不同造父變星的光度和光變期數據,量度光變期當然不是,但要得知一顆恆星的光度,我們首先要得知它的距離,這時便須藉助好像視差法其他量度天體距離的方法。
  2. Ods possesses some characteristics of some characteristics and oltp systems of the data warehouse, it is the data " who faces the theme, integrates, or close to present, constantly changeably at present " because dss is peculiar : ca n ' t fully understand the demand ; the demand change is great ; implement time long cycle, but the customer demands to become effective and wait for the characteristic soon at the time of making bi systematic scheme of the enterprise layer, should consider on the issue that there is a great deal of, in a situation that the fish and bear ' s paw must hold concurrently, make the choice

    Ods ( operationaldatastore )是數據倉庫體系結構中的一個可選部分, ods具備數據倉庫的部分特徵和oltp系統的部分特徵,它是「面向主的、集成的、當前或接近當前的、不斷變化的」數據。由於決策支持系統特有的:不能充分了解需求;需求變動大;實施期時間長,但客戶要求見效快特點。在制定企業級的bi系統方案時,就會有諸多要考慮,在魚和熊掌不能兼得的情況下,做出選擇。
  3. This paper aims to explore systematically some scientific principles of resource - based cities from their formation and development to contabescence or transformation in the context of theories of resource life cycle and sustainable development. it also discusses the scientific issues of connotation, models and transformation mechanism of resource - based cities, makes an integrated assessment on their sustainable and renewable capiabilities of those cities and brings out several measures and policies for the transformation of resource - based cities in china

    本論文的研究目的是從資源生命期理論、可持續發展理論出發,系統地分析總結資源型城市從形成、發展到衰亡或轉型的整個過程中的科學規律,探索資源型城市功能變化機制的科學,科學界定資源型城市內涵和發展或轉型模式,綜合評定資源型城市可持續發展和再生能力,探索我國資源型城市功能轉型機制和發展模式以及各種途徑與對策。
  4. High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country

    Kdp晶體零件是目前公認的最難加工的光學零件之一,因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂不利於光學加工的特點,所以加工期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸, kdp晶體超精密加工表面質量控制已經成為我國慣性約束聚變研究中亟待解決的關鍵
  5. After comparing in detail the current popular 24 idss or ids prototypes from the aspects of the granularity, methods, and tune of detection, data - collection, and data - processing, we find out the problems in the most of the current idss that they are generally platform dependent, inefficient in detection methods, lack intelligent in data analysis, inextensible as the network configurations changed or upgraded, and inadaptive when the new attack methods emerge

    本文首先從數據來源、數據處理期、數據收集和分析、入侵檢測方法、系統運行平臺七個方面對當前較具有影響力的24種入侵檢測系統或原型進行了詳細的比較,分析了現有入侵檢測系統在系統平臺的異構性、系統檢測方法的效率、入侵數據分析的智能性、面臨新的入侵方法時的適應性和網路配置發生變化時的可擴展性方面的不足和
  6. Our feet are vulnerable to repetitive mechanical stress and skin irritations due to tremendous daily usage. common foot problems common foot problems in elderly people include dry skin, calluses, corns, friction blisters, ingrown toenail, foot deformity, fungal infection and warts

    足部的成因很多,局部的如皮膚感染和不合適的鞋襪,另外,如糖尿病並發的邊血管毛病遺傳性的變形足,都是重要的因素。
  7. Based on expounding the relative theories on the maths - teachingmodels, thisarticleanalysesthe characteristics of the modern maths - teaching models the teaching model that has the basic processes of " guiding and creating the questioning environment - discussing and exploring equally between the teacher and students - solving the problem by the students themselves ? searching the neodoxy and the difference to form the circulation ( of theknowledgeandthequestion ) " isbasicallysetupwiththefoundationofcons tructivism and the directing idea of humanism curriculum view point. lt also deals with the experiment of teaching maths in junior middle school which has lasted for one year

    本文在闡述教學模式相關理論基礎上,分析了現代教學模式的特點,以建夠主義為理論基礎,人本主義課程觀為指導思想,初步形成了「引導創設環境? ?師生平探索討論? ?學生自主解決? ?求異探新形成(知識和的)轉」為基本程序的教學模式。並在高中數學教學中進行實驗研究。
  8. Metropolitan circle is the result of industrialization and urbanization, which is the embodiment of centralization and radialization when the metropolis is developing to a certainty, in order to advance the space and economy to conform, to form a corporate area, fabricating the new type of metropolitan circle in which the metropolis is the core is new topic for discussion of innovative space structure of the big ciry this paper combine the theory expatiation and demonstration analysis with comprehensive and new statistics data, and theory model, and discusses the all - around regional development in chengdu area from a new angle, ie : using space structure model of metropolitan circle to develop the overall enhancement of strength in chengdu first, the thesis defmitudes the concept, connotation, and character of metropolitan circle, after that, it discusses the formative mechanism of metropolitan circle from the factors such as market, institution and ect moreover, from the practice of metropolitan circle ' s development in ho me and abroad, it summarizes the significance of the metropolitan circle form for the economic and social development, as well as the experience for reference and the problems we should pay attention to = based on these theories and practice, it brings forward the necessity and strategic significance of building metropolitan circle in chengdu, and analysis its possibilities, it also makes a research on the model of this circle, it innovatively brings forth that the double - polar circle structure of central city - sub central city - satellite town should be builded, through the establishment of index system, the sphere of metropolis circle in chengdu can be set which means the central city, sub center city and satellite town are sett it also analysis how to determine the gravity between center city and circumjacent area, and discusses the function orientation of center city and satellite town at last, it briefly analyses the transportation designing of suburb and city which are imperative for constructing the metropolitan circle in chengdu

    本文將理論闡述和經驗實證分析與較全面的最新統計資料,以及理論分析模型分析結合起來,從新的角度深入探討成都的區域整體發展,即以都市圈的空間結構模式促進成都整體實力的全面提高。本論文首先明確了都市圈的概念、內涵及特徵,從市場、因素探討了都市圈的形成機理,並從國內外都市圈的發展實踐中,總結出都市圈這種空間形式所引起的經濟和社會發展的意義所在,以及我們值得借鑒的經驗和需要注意的。在此理論和實踐基礎上,提出構建成都都市圈的必要性及戰略意義,分析其可能性;並且對如何構建成都都市圈模式進行了探討,主要是創新性提出構建中心城市-副中心城市-衛星城鎮的雙極圈域結構,並通過指標體系的建立以確定成都都市圈的范圍,即中心城市、副中心城市和衛星城鎮的確定,以及測定中心城市與邊地區的引力大小,以及對中心城市和衛星城鎮的功能定位進行了探討。
  9. This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

    本文針對該鍋爐在實際運行中存在的:在額定負荷下,爐膛出口超溫、低溫段過熱器前煙溫高達936 ,遠遠超過815的設計值;噴燃器四水冷壁結焦嚴重,過熱器管壁溫度超標,無法帶上額定負荷;甚至有時因燃煤質量的變化,必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中,燃燒器的結構、布置,水冷壁的粘污、結垢,過剩空氣系數、一次風溫、煤種及其濃度變化許多因素都會偏離鍋爐的設計工況,從而影響爐內的傳熱和燃燒,造成爐膛出口超溫、水冷壁結渣
  10. The thesis figures that the two - part pricing system should be introduced to the generation side on the initial stages of yunnan electricity market. the basic model of two - part pricing system is improved in this paper in several facts such as the components of capacity cost, capacity pricing, competition adjustment. transmission and distribution pricing is the second part of the trisection price

    本文提出在雲南電力市場運行初期發電側應引入兩部制電價制度,並結合雲南電力實際,對兩部制電價制度中容量成本的構成、容量電價的確定、競爭力度的調整一些做了較為詳的研究。
  11. At the end of the visit, the officials happily posed for a photo holding one of masters books. during the first week of may, with the help of the cities mayors and local organizations such as the red cross and mmba mahila mandal barmer agor, the volunteers worked in scorching temperatures reaching 54 degrees celsius to distribute the provisions to 10, 500 families, thus temporarily resolving the local food shortage

    在各地市長及當地紅十字會mmba mahila mandal barmer agor組織的協助下,同修們頂著攝氏五十四度的高溫,在五月份第一即順利地將所有物資分送到一萬零五百戶災民的手中,暫時紓解了食物短缺的
  12. Engineers have yet to solve fundamental problems involving robotic perception and world modeling, automated reasoning, manipulation of objects and locomotion

    工程師還有很多根本的尚未解決,包括機器人的知覺、如何建立遭環境的模型、自動推理、物品操作和行進方式
  13. This paper is aimed at professional analysis of the generation mechanism and some basic points on business cycle fluctuation of real estate industry, and further study of the characteristics of business cycle fluctuation of real estate industry and its relationship with macroeconomic business cycle. writer is prefer to conclude that policy cycle fluctuation is a fundamental cause on business cycle fluctuation of real estate industry in the period of chinese economy system shift. in the end writer su

    本文集中分析和研究了房地產經濟期波動的生成機理基本理論性,探討了我國房地產經濟期波動的特徵及其與宏觀經濟期的相互關系,提出了當前我國經濟轉軌時期,政策期波動是房地產經濟期波動的根本原因觀點,同時提出了應對期波動的房地產業發展政策建議,這些不但是對經濟期理論的創新,而且更是房地產經濟期波動理論的擴展。
  14. In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study

    在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務,但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統,通過構造各種向量馬氏過程和吸收向量馬氏過程,獲得了瞬態、穩態隊長分佈、待時間分佈、逗留時間分佈、更新期分佈一系列排隊指標以及可用度、可靠度一些可靠性指標,在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值,並利用mathematic軟體對費用函數進行了數值模擬。
  15. Through analyzing in theory and proving in practice, this paper indicates that the module - control system have many merits : the develop cycle is short ; the application of room is sufficient ; the problem will be found easily in the process of debugging ; the capability of anti - jamming is strong ; maintain and check errors easily ; interchangeability is good ; upgrade is easy

    通過理論分析和實踐證明,本文認為模塊化控制具有開發期短、充分利用空間、在調試的時候容易發現、抗干擾能力強、容易維修和檢查錯誤、降低維修成本、互換性強、容易改進和升級優點。
  16. Dewey and bacuwa ^ arekcapobuy cyxouy h cku u " s educational theories and the modeling, i present the teaching aims that correspond to the sustainable development strategy and demands of quality - oriented education, and develop the students " critical ideas, and develop their speaking, organization and writing abilities. developments of cooperation ; and students " consciousness of caring environment and society, are all important strategies when teaching sustainable development and the quality of using sustainable development strategy to settle all kinds of problem. i propose two educational models for implementing sustainable development strategy

    本文在杜威的教育思想、蘇霍姆林斯基的教學思想以及建構主義的指導下,提出了符合可持續發展思想與素質教育的要求相一致的教學目標:培養學生的思維能力,尤其是批判性的思維能力;培養學生的口頭表達能力、組織能力以及書面表達能力多方面能力;培養積極的合作態度;培養學生關注自己圍的環境、關心社會的意識以及運用可持續發展的思想去認識、分析的素養。
  17. In an attempt to tackle the most common resource conflict problem of i - mes, a conflict resolution model that is based on multi - agent cooperation is proposed. from the perspective of conflict management full life circle, the problems of conflict checking, conflict analysis and conflict resolution are studied extensively. meanwhile a conflict analysis method based on program evaluation an review technique / critical path method ( pert / cpm ) is provided, which categorizes all kinds of resource conflict

    針對可集成製造執行系統最常見的資源沖突,提出了一種基於多agent合作的沖突消解模型,從沖突管理的全生命期角度,詳細研究了沖突檢測、沖突分析、沖突消解,提出了一種基於pert cpm的沖突分析方法,對各種資源沖突進行分類,並建立了相應的沖突消解策略及基於kqml的沖突消解規則。
  18. ( 6 ) the segment markets of silver hairs, teachers and students have great perchasing power. with the interaction of central city and its periphery scennic spots, this article analysize and prove the interactions of market positioning, theme imagine, special structure, and product projection beteen central city and its periphery scennic spots through basic principles, support factors, discrepance tactics, and so on

    根據中心城市與邊旅遊地的互動關系,結合城市居民出遊市場的主要特徵,文中還就規劃定位的基本原則、支撐要素、差異化策略和互動關系層次,對中心城市與其邊旅遊地的市場定位、主形象定位、空間結構及產品開發進行了理論分析和實證研究。
  19. An elementary proof of the isoperimetric problem

    等周問題的一個初證明
  20. He also proposed and discussed the problem of isoperimetric figures.

    他還提出並討論過等周問題
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