等視力線 的英文怎麼說

中文拼音 [děngshìxiàn]
等視力線 英文
isopter
  • : 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動詞1. (看) look at 2. (看待) regard; look upon 3. (考察) inspect; watch Ⅱ名詞(姓氏) a surname
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 視力 : vision; sight; visus; seeing; opto-
  1. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有限元分析技術的發展,目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局限性,其中對任意剖面上可化的研究仍處于方興未艾的階段。要實現任意剖面上可化處理,必須先將得到的有限元計算結果進行再處理,因此在演算法上分為兩部分:求任意剖面上物理量值的演算法及二維演算法。前一部分以彈性學中「任意斜截面的應」為理論基礎,利用性插值方法得到截面與單元棱邊的交點坐標及交點物理量值;在此基礎上;根據已得到的單元及節點序號表、應應變物理量表,總結出一種基於有限元剖分網格的快速生成二維的演算法。
  2. To keep the environment people live in, we should restrict or prevent many kinds of pollution, which includes electromagnetic radiation pollution. while we are considering setting up base station or evaluating the electromagnetism pollution of environment, we can measure on the spot. to save time, hard work and cost taken by measuring on spot, it is necessary to calculate and analyze the electromagnetic wave propagation in urban area

    在對現有電磁輻射源(如移動通信基站、廣播電發射天)環境電磁污染狀況進行評估時可以進行實地測試,但是對在建或擬建的輻射源則不可能進行先測試,同時為了避免實地測試的費時、費和較大的測試費用,通過計算機來計算分析城市環境電波傳播顯得很有必要。
  3. Our company took the lead in establishing a factory specialinzing in producing inflatable models and balloons in 1995. for the last 10 years, with great support and concern from all circles of society and by a common effort of our staff, the enterprise isadvancing in agreat stride, to be the biggest prodution center in china for producing inflatable models and balloons, with a activeties scope from production, marketing, design and research. the company has full range of products, such as : inflatable models and balloons made by pe, pvc complex film, nylon cloth, oxford, reinforced oxford, euphotic oxford, and also inflatable toys. pop commericials, and swimming articles, etc. the company also has a strong technical force : all the products with a unique creative idea, carefully selected materials, vivid and vast sculpt, also can be equipped with computer controlled lighting and sounding system. the lighteing inflatable model is the first in china and has obtainde a patent. the inflatable products, which have a spectacular and impressive visual effect, can be put on advertisement, celebration ceremony, and business activities, giving a commercial culture atmosphere into the citys sight. they are the best choice of advertisers and business people with insight

    本公司於1995年在國內率先創建氣模氣球生產專業廠家,十年來,在社會各界關心支持和全體員工共同努下,企業發展突飛猛進,現已成為集生產銷售設計科研為一體的國內同行業最大企業,成為國內最大的氣球氣模生產基地。產品品種全: pe pvc復合膜尼布牛津布增強牛津布透光牛津布材料的氣球氣模,以及充氣兒童玩具pop廣告物水上泳具產品應有盡有發光氣模多項產品屬國內首創並獲專利,其產品一旦充而擴之,投放于廣告慶典商務活動,覺效果巍為壯觀十分搶眼,不僅為都市空間增添了一道亮麗的商業文化景,更為現代廣告人商人慧眼所識。
  4. It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results

    對于復雜的非性導彈制導系統,很難求得其解析的最優制導律,只能求得開環的數字解,不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能,對開環的數字最優制導律進行離的學習,作為閉環的神經最優制導律在應用.研究分別選擇系統狀態變量和角速率不同的神經網路輸入對制導系統性能的影響,以及各種制導律的魯棒性問題,並採用模塊化神經網路結構提高神經網路的學習和推廣能,模擬結果得到一些有益的結論
  5. These irradiations may injure visual cells, harms visual nerve as well as the central nervous system, causing ophthalmology disease like vision decline, eye strain, cataract, etc

    這些射殺傷人眼的覺細胞,損害人的覺神經以及中樞神經,引起衰退、雙眼脹痛,造成白內障各種眼科疾病。
  6. The maturity of stream media and cdn technologies will surely give a revolutionary impetus to broadband content and even to the entire broadband industry. they will provide end users with internet - based information services such as multimedia news release, on - line direct broadcast, network - based advertisement, e - commerce, vod, distance education, remote medicine, internet - based radio station and videoconferencing, and yield a comfortable profit to the value chain of the broadband industry, including operators, icps and isps. 2

    流媒體技術的發展和內容分發平臺的成熟,必將為寬帶內容提供革命性的推動,必將喚醒整個寬帶產業,為最終用戶帶來網際網路多媒體新聞發布、在直播、網路廣告、電子商務、頻點播、遠程教育、遠程醫療、網路電臺、實時頻會議網際網路的信息服務,給運營商、內容提供商、服務提供商整個寬帶產業價值鏈帶來豐厚的利潤。
  7. The cleaning cars has seven major characteristics : 1, the vehicle design aesthetic appearance generous, simple, flexible cleaner compact cab from the sanitation workers in the rain, snow and inclement weather operations headaches ; 2, jia lu cleaning electric car gearbox is my companys patented products, latin america is characterized by heavy goods, light down - climbing and extended battery life ; 3, jia lu electric bicycle bridge cleaning car brake, the company is a patent product, is characterized by simple structure, convenient operation, maintenance easier, better braking performance ; 4, good deer electric car cleaning dustbins with low human workers the high - school, so that sanitation workers can easily handling, reversing a good sight, and reduce incidents, high safety factor ; 5, good deer electric cleaning trucks advanced electric power putter as a dump, the sanitation workers to reduce labor intensity, is characterized by fewer power failures, maintenance - free ; 6, jia lu electric vehicle using toughened glass cleaning cars, advance reversing have good vision, difficult to scratch and ensure the safety of sanitation workers ; 7, good deer by external electric car cleaning plate, a fiberglass liner internal, external characteristics : hinge not on the plate yi loose, often not dump deformation and withstand collisions, the internal use of fiberglass liner, not rust, corrosion, wear after the liner can be replaced, maintaining low cost

    該保潔車有七大特點: 1 、該車外型設計美觀大方,操作簡單靈活,明凈小巧的駕駛室免除了環衛工人在雨雪惡劣天氣作業時的煩惱; 2 、佳鹿電動保潔車變速箱是我公司的專利產品,特點是拉重貨,輕松爬坡而且省電,延長電瓶的使用壽命; 3 、佳鹿電動保潔車后橋雙輪制動,是我公司的專利產品,特點是結構簡單,操作方便,維修容易,制動性能好; 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高度,使環衛工人能輕松地裝卸,倒車時具有良好的,減少事故的發生,安全系數高; 5 、佳鹿電動保潔車採用先進的電動推桿作為自卸動,減輕了環衛工人的勞動強度,特點是故障少功率大,免維護; 6 、佳鹿電動保潔車整車採用鋼化玻璃,前進倒車都有良好的,不易劃傷,保證環衛工人的安全; 7 、佳鹿電動保潔車外部採用鋼板,內部採用玻璃鋼內膽,外部特點:鉸鏈在鋼板上不易松動,經常自卸不變形,經得起碰撞,內部採用玻璃鋼內膽,不生銹、不腐蝕,磨損后內膽可以更換,維護成本低。
  8. The development of a visual short circuit software under ptcad2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to ptcad2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer

    本文介紹了在ptcad2000平臺下短路電流可化計算軟體的開發。介紹了軟體的系統結構、數據結構定義、與ptcad2000平臺的介面、電系統原始接圖轉成值可計算網路、序網的生成、考慮零序互感路阻抗時電網導納矩陣和阻抗矩陣的生成,以及故障點短路電流計算的計算機實現。
  9. So according to the technology regulation of reclamation engineering, hydraulic calculation must be carried out in the design of final closure. this paper firstly introduces the progression and present situation of reclamation engineering, emphasizing on the features of present reclamation and on the experiences and theories of home and abroad ; using fortran perfects the hydraulic calculation program of the closure and makes the program to meet different conditions ( such as considering flood, the variation of time interval, multi - entrance, multi - reservoir capacity ), and after comparing and analyzing a great deal of schemes, the reasonable computation scheme was brought up ; the interface of the program was carried out by the programming language vb to make the process of calculation become easier and more distinct, so the result can be analyzed and handled more directly ; vb is used in the later management of the result to plot the graphic chart of the isoline of the maximum of hydraulic element ( the velocity of flow, the drop height and the rate of flow ) automatically ; finally it was applied in the reclamation project of dongbidao of fuqing

    本文首先介紹圍海工程的發展進程與國內外圍海的開發現狀,重點介紹了我國目前圍海工程的特點及在圍海工程實踐中積累的經驗和理論;利用fortran語言完善堵口工程龍口水計算程序,使程序可以滿足圍海工程復雜工況下(如考慮內港洪水、計算時段的變化、多口門、多庫容、多水閘)的龍口水計算,並進行大量方案的比較和分析,提出合理計算方案;利用面向對象的可化編程語言vb進行界面開發,使計算過程有良好的人機界面,更直觀地對計算結果進行分析和處理;計算結果的后處理採用vb編程實現龍口水要素最大值圖的繪制;並運用所編軟體對福建省福清市東壁島圍墾工程進行龍口水計算,為堵口合龍提供科學依據。
  10. Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm

    採用abb公司的controlit控制系統,避開爐子控制中遇到的困難參數檢測及建模困難因素,直接根據容易檢測的爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度,將模糊控制技術與常規pid控制相結合,實現各段溫爐設定值自修正、各段爐溫自協調、各參數在自整定的自尋優最佳燃燒控制;對熱工參數、現場設備的運行情況進行監、報警,實現爐膛壓、管道壓、換熱器的保護控制,並將重要參數送往廠級mis網路。
  11. Therefore the emergence and development of the culture of science and technology can be traced back to the initial conditions of geography and climate, viewed as the factor of internal fluctuation from the sensitiveness of the random choices of the cognitive subject to the initial conditions. since a culture has a pivotal component as its core, once the culture of science and technology comes into being under nonlinear interactions of the social subsystems, the core component functions in the same manner as order parameter in the self - organization system, immensely attracting, regulating and controlling others under the slaving principle. and thus the analysis provides a nonlinear approach to the needham ' s problem

    對于任何思想文化傳統而言,其形成和延續都有其現實的物質生活的根源,因而,對于科技文化的產生和發展,我們能夠返回到其發生的原點? ?即地理氣候初始條件,從認知主體的隨機性選擇對初始狀態的敏感性方面,其為科技文化產生的內漲落因素,考察其對科技文化形成的影響;而一種文化之所以稱其為文化,必有其全局控制的核心因素,科技文化是在社會各子系統非性的相互作用下形成,其核心因素所發揮的作用就如同序參量在自組織系統中的作用那樣,在支配原理的作用下起著規范、引導和支配效用。
  12. When cataract reaches a very advanced stage, the affected eye may just be able to perceive hand motion or light. at this stage, which we describe as " hypermature cataract ", complications like glaucoma or acute inflammation may occur and will result in redness and severe pain of the eye. if no appropriate treatment is given, the eye may become blind

    當白內障發展至"過熟期" ,而下降至只能感應到光的地步,有可能導致如青光眼或過敏性葡萄膜炎並發癥的發生,眼睛會發紅及感到非常疼痛,如病人得不到適當的治療,會導致永遠失明。
  13. With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth

    隨著激光技術的發展,諧振腔由於其腔內損耗小、精細度高、寬窄特點,使得其在監激光模式、測量並壓窄激光寬、激光模式清潔、激光穩頻、激光光譜學、腔量子電動方面起到重要的作用。
  14. The multi - service platform ( msp ) is a key component of the network. presently, at & t is providing sundry leased - line, internet, voice, data and video services in more than 40 cities, which in turn substantially enhanced the corporate competitiveness in those market niches

    多業務平臺( msp )是該網路的重要組成部分。 at & t公司現已通過該平臺在40多個城市內提供各種新型專、網際網路、語音、數據和業務,極大地增強了企業在這些業務市場中的競爭能
  15. The main products include : aluminum - cored and copper - cored polyvinyl chloride insolating wires, protecting wires, rubber wires, alumina gel wires, steel - cored alumina gel wires, prefabricated cables, power cables, controlling cables, cross sky cables, communication cables, signal cables, burn - preventing wires and cables, computer internet wires, vehicle - used low pressure cables and wires. television cables etc. all the products are being produced according to the national standard and ministry. all the cables series have gained the national producing license for industrial products, and the other products have obtained national mandatory 3c authentication

    公司專業生產各種「寶炬」牌電電纜,主要產品有:鋁芯銅芯聚氯乙烯絕緣電護套膠質鋁絞鋼芯鋁交預制分支電纜電電纜控制電纜交聯架空電纜交聯塑電纜通訊電纜信號電纜阻燃電電纜電腦網路公路車輛用低壓電纜電電纜,各類產品均按有關的國際部際進行生產,電纜系列均獲得全國工業產品生產許可證,其它主導產品亦獲國家強制性3c認證。
  16. Whereafter, based on the analysis on the flood influence for traffic lines, the research is centered on the following parts : firstly, the destroying modes, reasons and mechanism of flooded lines are discussed, and the frameworks and countermeasures of preventing and controlling hazards system are put forward ; secondly, the ways of region forecasting for the landslide are analyzed and the automation of landslide forecast for certain site through visual programming is realized. furthermore, the function of dynamic segmentation in arc view is made use of to realize the forecast result ' s visualization ; thirdly, the reasons and patterns of roadbed subsidence are discussed and the methods of forecasting subsidence based on the gm ( 1, 1 ) model are put forward. then the applications of the arcview software and its extended module on the study of roadbed subsidence are debates upon ; fourthly, an analysis on the sources of flood for traffic lines, which situate in the reservoir coverage area, is given

    接著,論文探討了山區交通路災害的特點、分類、時間和空間分佈規律以及災害的防治原則和對策;然後,以洪水災害對交通路的毀壞為主,重點研究和分析了以下幾個問題:第一,探討了洪水對交通路的破壞方式,水毀原因以及水毀機理,並提出了交通路水毀防禦系統框架和對策;第二,分析了雨季邊坡塌方災害的區段預測方法;通過可化編程,編制了雨季邊坡塌方災害的工點預報程序,並結合arcview實現了預測結果的可化;第三,對路基沉陷原因和模式進行了分析,並提出利用gm ( 1 , 1 )模型對路基沉陷區進行分析和預測,最後論述了arcview軟體及其擴展模塊在沉陷區研究分析中的應用;第四,對汛期庫區路災害的原因進行了分析,並探討了利用數量化理論對路基防護工程抗洪能進行預測的意義;第五,提出從風險的角度對交通路的防災減災進行管理,對風險估計的相關問題進行了論述,並探討了交通路水害危險區段的劃分問題。
  17. This tradition of training and development continues to this day with engineering graduate and apprentice training schemes, quality programmes, management development and mandatory customer service training for all front line staff

    培訓及人發展的傳統一直持續至今,我們目前的培訓項目包括工程見習生訓練計劃、品質計劃、管理訓練及所有前員工必修的客戶服務訓練
  18. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落,但隨著都會地區機動車輛不斷增加,道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流型車廂設計,搭配先進控制系統及彈性的路權型式,使現代化輕軌系統具備有與生活空間結合重環境問題與社會情勢並活用進化街車之都市交通工具特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上下車,提供沿居民高度的便利性,消除交通堵塞噪音及空氣污染,輕軌系統並與街景充分的調和,成為活動的都市意象。
  19. The researches of this system make it possible to launch projects on following topics : the multimedia system and the internal telephone system based on the transmitting over low - voltage power distribution networks

    本課題帶來的研製經驗使得將來可對如下項目開展研究:基於低壓電傳輸的可對講系統及基於家居環境電傳輸的多媒體系統
  20. Not only was man now able to see with measured precision independently of visibility, but he could now “ see ” such objects as aircraft at ranges far in excess of those possible even under ideal optical conditions with normal vision

    人不僅可以不受(能見度)的限制而看得很精確,並且可以「看見」諸如遠方的飛機物體,其距離遠遠超過用正常的並藉助于最理想的光學儀器所能達到的。
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