無反射鏡 的英文怎麼說

中文拼音 [fǎnshèjìng]
無反射鏡 英文
mirrorless
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : Ⅰ名詞1 (鏡子) looking glass; mirror 2 (幫助視力或做光學實驗的器具) lens; glass 3 (姓氏) a s...
  1. Made of durable acrylic plastic frame and high quality mirror, high reflecting surface & long - lasting coating. light weight and small size easily for carrying and demonstrating anywhere

    遺忘已久的哈哈有再面世,給大人小朋友比歡欣!此哈哈是輕巧設計,只有2尺高,尺半闊,讓學生了解到光的定律
  2. Unlike concave mirrors, the convex kind produces right - side - up virtual images, smaller than the original object, which cannot be projected onto a canvas

    與凹面,凸面呈現的虛像不會顛倒,影像比原來的物體要小,且法投到畫布上。
  3. And the motley displays in the shops, the gold ornaments of the jeweler s, the glass ornaments of the confectioner s, the light - colored silks of the modiste s, seemed to shine again in the crude light of the reflectors behind the clear plate - glass windows, while among the bright - colored, disorderly array of shop signs a huge purple glove loomed in the distance like a bleeding hand which had been severed from an arm and fastened to a yellow cuff

    櫥窗里的商品五顏六色,珠寶店的黃金製品,糖果店的水晶玻璃器皿,時裝店的鮮艷絲綢,在的強光照下,映在明潔的子里。在五光十色雜亂章的招牌中,遠處有一個招牌清晰可見,上面的圖案是一隻紫紅色的手套,酷似一隻砍下來的手,血淋淋的,被拴在一隻黃色的袖口上。
  4. The reverse side of the mirror should be in continuous contact with air without needing ventilation.

    的背面應經常與空氣接觸但需通風。
  5. This paper is a part of the project : research of manufacturing technology for unfocused aspherical surface system of large relative aperture, sponsored by national high technology 863 - 802. the purpose of this paper is deeply research the testing methods of primary and second mirror for unfocused aspherical surface, and to present the testing methods of primary mirror of the large relative aperture and transmission and reflected second mirror. the beam path diagrams and the relative design results are given in this paper

    本文是國家高技術項目863 - 802的子課題「大相對孔徑焦非球面系統製造技術研究」的一部分,其目的是對大相對孔徑焦非球面系統的主和次檢驗方法進行深入研究,提出大相對孔徑主和透式及式次檢驗方法,並給出檢驗方案和相關的設計結果。
  6. A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel

    (聚焦區)限遠與光學系統(如照像頭)有關的一個范圍,表示距離是如此之遠,以至於從在這一距離的物體上回來的光可以視為平行光線
  7. Petrographic analysis of bituminous coal and anthracite - method of determining microscopically the reflectance of vitrinite

    煙煤和煙煤巖相分析.第5部分:率顯微測定方法
  8. The suspension of the mirrors must be very frictionless, but strongly damped.

    的懸掛既要摩擦,但又要有強阻尼。
  9. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中,能找到發機到接收機之間的所有電波傳播路徑而須冗餘的計算,是一種準三維的預測模型;另外,從本質上講,它仍然是一種基於像理論的點對點的線跟蹤法,所以它須進行接收測試;而且由於採用了向演算法,運用數據結構中多叉樹的概念,先確定需要計算的場點位置,找出所有能從源點到達場點的線,並且可一次性建立一個虛擬源樹,以後每次的計算只要通過對該樹進行後序遍歷即可,大大提高了運算速度,因而有較高的接收效率與精度。本文對該模型進行了相應的模擬,並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力線跟蹤確定性模型的預測結果進行了比較,結果表明了該模型的優越性。
  10. Compared with traditional optical materials, the specific stiffness of sic is much bigger. if the structural dimension is the same, the lightweight extent of sic components is the highest. furthermore, sic have these merits of low thermal distortion, excellent optical performance, isotropy, innocuity and molding for complex shape

    與傳統光學材料相比, sic的比剛度最大,在尺寸相同的條件下,其輕量化程度最高;此外,它還具有熱變形系數小、光學性能好、各向同性、毒、能夠實現復雜形狀的近凈尺寸成型等優點,因而成為空間的首選材料。
  11. The sighting device of seeing optical system has two kinds of situations which are the main image and the secondary image, the main image which is the indispensable sign of presenting the target but the secondary image is not useful to the target

    摘要視準式光學系統瞄準具的成像有主像和副像兩種情形,主像是對目標瞄準的必要標志,副像則對目標的瞄準產生不良影響,為消除或減弱光學系統所成的副像對瞄準精度的影響,主要分析了光學系統中中心和有平行差時產生副像的原因。
  12. One fascinating property of steel mirrors is their mouldability - they can be bent into the shape of a circular cylinder or even a cone. sometimes, images reflected from the cylindrical or conical surfaces get so distorted that they are barely recognizable

    圓柱及圖錐面所出來的圖像往往變得十分有趣甚至難以辨認。但這種圖像變換可以用相的形式進行,將一些看似雜亂章的圖案,利用變回一個常見的圖案,給觀察者一個驚喜。
  13. In this thesis, a novel structure of silicon - based passive ring waveguide resonation cavity is firstly introduced and designed. the design is combined with the mems technology, which gets rid of the curved waveguides in the previous waveguide ring resonation cavity and facilitates optical integration. the structure has characteristic of " the smaller the resonation cavity, the smaller the loss ", which has a promising future of miniaturization and fits the field of resonation rmog

    本文首次提出並設計了一種新結構的硅基源環形波導式諧振腔,該設計與微機械技術相結合利用集成實現光波導直角轉彎,擺脫了以前的波導式環形諧振腔中必需包含的彎曲波導,易於光學集成;同時該結構具有諧振腔越小損耗就越小的特點,有很好的微型化前景,很適合應用於諧振式微光陀螺( rmog )領域。
  14. Sometimes, images reflected from the cylindrical or conical surfaces get so distorted that they are barely recognizable. however, cylindrical or conical mirrors can also work the other way round by restoring the original picture from a seemingly chaotic pattern

    但這種圖像變換可以用相的形式進行,將一些看似雜亂章的圖案,利用變回一個常見的圖案,給觀察者一個驚喜。
  15. ( 3 ) properties of yag laser q - switching by sbs were experimentally investigated, and the laser without back reflective mirror was devised, and laser pulse was obtained at repetition rate ihz and 5hz by optimizing lens focal length, length of cell and position of lens focal. point, resulting quality of pc is ideal

    ( 4 ) 、實驗研究了sbs的yag激光器,設計了後向的sbsyag激光器。在泵浦能量17j 、重復頻率分別為1hz 、 5hz時,得到穩定輸出的能量為19mj 、脈寬為10 . 7ns 、光束質量很好的激光脈沖。
  16. First, we propose a novel and simple mirror to reflect atoms by using intensity gradient induced by a blue - detuned semi - gaussian laser beam. the diffraction characteristics of an incident gaussian beam by straight edge bounding a semi - infinite opaque plate are investigated from kirchhoff scakr wave theory in the fresnel limit

    本文首先提出了採用半束蘭失諧高斯光束的原子方案,研究了在fresnel衍下入高斯光束被半限大不透明平板擋去半邊后的直邊kirchoff衍特性。
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