象方焦點 的英文怎麼說

中文拼音 [xiàngfāngjiāodiǎn]
象方焦點 英文
focus in image space
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 焦點 : 1 [數學] [物理學] (二次曲線焦點; 主焦點) focal point; focus 2 (問題的關鍵所在或爭論的集中點) ...
  1. ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given

    論文主要包括三個面: ( 1 )分析了凹面反射的散現,給出了不同凹面反射的散圖; ( 2 )分析了二維凹面反射波動場散現產生的原因及散區奇性的種類,得出了二維凹面反射波動場散區奇性主要有折疊( fold )和尖( cusp )兩種的結論,利用辛幾何法構造了圓錐曲面反射波動場非散區和散區的通用計算公式,並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果; ( 3 )分析了三維凹面反射波動場散現產生的原因及散區奇性的種類,得出了三維凹面反射波動場散區奇性主要有折疊( fom 、尖kusp和燕尾k )三種的結論,提出了利用辛幾何法計算三維凹面反射波動場非散區和散區的計算法,並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。
  2. This method returns the calling object if the object itself is focused

    如果對本身設定了,此法返回調用對
  3. In experience analysis, giving actual rural - urban inequality as the jumping - off place, points out that our country have clear dual - economic and social struction characteristic, and analyze the reasons for which dual - economic and social struction is formed and retained ; rural modernization is key to our country ' s modernization for the following aspects, on the one hand, the problem of the farmer and rural and agriculture have strategic position and role, on the other hand, rural is the focus of a series of realistic problems ; i closely grasp three mainlines of rural modernization, namely agriculture modernization and rural industrialization and rural - to - urban population migrants, we could make them united organically and make a research for them relatedly and discriminatingly, then some policy recommendations are offered

    在實證分析面,以我國農村經濟為研究對,從現實的城鄉差別入手,指出我國具有鮮明的二元經濟社會特徵,分析二元經濟社會得以形成並維持的原因;從「三農」問題的地位與作用以及農村是一系列現實問題的兩個面,論述農村經濟現代化是中國現代化的關鍵;緊緊抓住農村經濟現代化的三條主線,即農業現代化、農村工業化和農村人口城鎮化,把三者內在、有機地結合起來,既有聯系又有區別地進行研究,提出有針對性的對策建議。
  4. This morning, in customs entrance, when vehicles peace the same platoon got up the long team, spot place wriggles to fronti sit in the window position, extremely comfortable, in the vehicle is full is pushing completely the human which goes to work, compares them, i am happyleft the customs, the vehicle stagnated motionless, sunlight from my left front glass injection, in package, i found the small nail clippers, leisurely and carefree prunes my long nail, has that a quarter absent minded, thought is in the peaceful yard, in the courtyard has the dark green flowers and plants, also has the autumn to be slight but the ambiguous wind, the clear clatter tower sound which is listening to the nail pruneswhen sends out, all not likely is places oneself in the environment which this anxiously waited for

    今天早上,在關口,車輛和平時一樣排起了長龍,一地向前蠕動.我坐在窗口的位置,非常舒適,車里滿滿地擠著上班的人,比起他們,我是幸福的.出了關,車停滯不動了,陽光從我左前的車窗射入,在包里,我找到小指甲刀,悠閑地一下一下修剪起我長長的指甲,有那麼一刻的恍惚,覺得是在安靜祥和的小院里,院里有青綠的花草,還有秋天輕微而曖昧的風,聽著指甲被修剪時發出的清脆的嗒塔聲,呀,一都不是置身在這急等待的環境里呢
  5. The thesis targets the two focused issues existing in project construction management and construction managemeflt rehabilitation structure in the course of curreflt economy system tyansit stage of the water resources sector starting from history cun. ent status, domestic and overseas project management experience, with combination of theories of modem management science, the paper explains the construction management system of water resources projects, in particular the execution plans of project legal person responsibility system ; on the basis of environment and mandatory mission analysis of water resources project construction management units, the paper demonstrates organization smicture design and operation management mechanism of consmiction management units

    本文以當前水利行業經濟體制轉軌過程中出現和存在的項目建設管理體制與建設管理治理結構這兩個問題為研究對,從歷史、現狀、國內外項目管理的實踐入手,結合現代管理學理論,論述了水利項目的建設管理體制,尤其是項目法人責任制的實施案問題;同時,從水利項目建設管理單位的環境、使命分析入手,著重論述了建設管理單位的組織結構設計、運行管理機制等問題,尤其在建設管理單位職能部門的形成分析、各種組織結構形式的具體適用與選擇、內部管理的規章制度、外部管理功能的實現途徑、建設管理單位的監督機制等面做出了有益的探索。
  6. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在透鏡成像理論的基礎上,系統、深入地分析了共掃描顯微成像的機理,論述了應用單模光纖的激光共掃描顯微成像系統的優;進行了總體案的論證,並設計確定了單模光纖激光共掃描顯微成像系統的總體案;從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系,分析了系統耦合效率和漸暈現對光學系統的設計要求;完成了案中光學系統和二維掃描控制電路的設計,並在電路設計中採用了用軟體解決檢流計式光學掃描器(振鏡)非線性問題的新法,能夠實現較為理想的二維模擬掃描;完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。
  7. It adopts 60w radio frequency laser producer and cti mirror system imported from america. the electric scissor lift table realizes precise control of focus. infrared ray - demonstrating aiming device can position the marked object more conveniently. it is a comparatively high - quality marking machine, characterized by its high efficiency and convenience, zero materials, zero pollution, and zero poison. applied fields : marking of many non - metal materials, such as cloth, leather, acrylics, wood, paper, pacage of food, electronics, and medicine, etc

    該機使用美國進口60w射頻激光器和cti振鏡系統,電動升降平臺平實現距精確控制,用紅光指示結準器,更便打標對的定位,具有高效便捷無需耗材,無毒無污染等特,是一款性價比較高的標記設備。
  8. There are following defects in the present theories and experiences concerning test anxiety : " one is the narrow scope of the research objects ; the other is researchers only use the simple approach - the so called " confidence training " to decrease the level of test anxiety, or engage different approaches separately ; the last one is developmental researches always do n ' t follow with experimental researches

    考試慮是心理學的一個重要研究課題,但是通過分析國內外考試慮的研究現狀,我們發現還存在以下幾不足:一是研究對的范圍狹窄;二是從干預手段來看,往往只採用所謂「自信訓練」的單一法,或是幾種法分離來降低慮水平;三是研究法單一,缺乏銜接性。
  9. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在( 0 , 0 )處沒有定義,這給研究其在( 0 , 0 )附近的動力學性質帶來了困難,我們應用文獻[ 17 ]中關于研究非線性程奇的系列理論和法,圓滿解決了這一問題,給出了第一限內當t +或t -時,在全參數狀態下系統的軌線趨于( 0 , 0 )的所有可能情況,其相圖也得以描繪;並且,系統不存在極限環的幾個充分條件我們也予以列出,當x的等傾線在0 x 1范圍內遞減時,系統不存在極限環,全局漸近穩定;然後,我們以中心流形定理和正規型法為主要工具,巧妙選擇參數,分別構造了一個余維2的鞍分岔和一個余維3退化bogdanov - takens分岔,證明了平衡是余維3的型平衡,存在參數, m ,的值使得系統( 6 . 1 )有兩個極限環,還存在參數, m ,的另外值使得系統( 6 . 1 )有同宿軌或雙同宿軌。
  10. As a new type of time - frequency analysis media, it excels in its good localization character both in time domain and in frequency domain comparing with traditional fourier analysis. it changes its sampling steps to smaller and smaller so as to analyze high frequency part, focusing on any part of the object been analyzed. to some extent, wavelet analysis is called " math microscope "

    作為一種新型的時頻分析法,它優于傳統fourier變換的優是在時域和頻域同時具有良好的局部化性質,可對高頻成分採用逐步精細的時域采樣步長,聚到對的任意細節,因此被譽為「數學顯微鏡」 。
  11. This paper analyzes the general supply chain of tsinghua tongfang nuctech company limited, after corporate business was studied and its many division supervisors were interviewed in order to obtain necessary information and data. the paper generally covers raw material procurement, product design & manufacture, assembly, on - site installation and after service, most of them constitute whole value chain. on the basis of nuctech ' s product characteristics and its market specialty, it highlights oversea spare parts distribution which gradually becomes crucial part of nuctech ' s supply chain management, as follows : 1

    在基本概述威視供應鏈現狀后,結合威視公司自身的產品特及其市場特,對于逐漸上升為公司供應鏈管理中的海外備件物流問題,本文著重從以下幾個面加以細述: 1 .海外備件配送的主要問題分析2 .備件的庫存、采購及供應商管理的要素分析3 .提高備件配送效率的措施在最後一章,本文在分析上述兩面現狀之後,結合其市場的發展,從提高客戶滿意度及產品形的角度出發,在如何改進海外備件的配送面嘗試給出了幾可行的改進性建議。
  12. From the methodology aspect, focus group technique can be very helpful for design researchers in conducting user research because involving members ' point of view and cooperating with diverse professionals are vital characteristics of qualitative researches

    法論觀,充分納入參與者的意見與主觀經驗,並與實務工作者或研究對合作,是質性研究重要的特色與優勢之一,針對設計領域日漸重視消費者需求的特質,可見團體訪談法在未來設計研究上扮演著相當重要的角色。
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