焦點焦距 的英文怎麼說

中文拼音 [jiāodiǎnjiāojù]
焦點焦距 英文
focus
  • 焦 : 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;...
  • 點 : 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「、」）...
  • 距 : Ⅰ名詞1 （距離） distance 2 （雄雞、雉等的腿的後面突出像腳趾的部分） spur （of a cock etc ）Ⅱ動詞...
  • 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） ...
  • 焦距 : [光學] focal distance; focal length
  1. The size of images formed by concave mirrors depends on how far the objects are located from the mirror foci

    利用凹鏡所看到的鏡像，則會隨物體與鏡面焦點的距離而變化。
  2. At the same time, the research on the order program ( courseware on demand ) and publish of courseware on network become fervency, for the courseware can order with one ' s needs, learn by oneself instance and learn with no fixed time and location, so learner can learn anytime at anywhere

    而對于網上課件的點播和發布，突破了距離和時間的限制，能夠實現按需學習、按照個人的知識認知水平而選擇學習內容，對這一方向的研究無疑是焦點中的焦點。
  3. The european and uk banks concentrated on competition via service differentiation.

    歐洲和英國的銀行競爭的焦點已經集中到服務差距方面上來。
  4. Contact lenses - determination of back vertex power - part 1 : method using focimeter with manual focusing

    隱形眼鏡.后頂點焦強的測定.第1部分:人工調焦焦距計法
  5. According to expert estimation, the disparity in income assignment between the urbane and countryside contribute to the income disparity in our country by 40 %

    據專家估算，城鄉收入差距對我國分配收入差距的貢獻率已超過40 % ，城鄉收入差距愈來愈成為社會各界關注的焦點。
  6. The summit, which was originally conceived to address the so - called digital devide between information [ have - haves ] and [ have not - have - nots ], can now focus on that task

    該峰會原本是為解決所謂信息強國和弱國之間的「數字差距」問題的，但現在把焦點集中在了這一任務上。
  7. In the method dfd ( depth from defocus ), feasibilities of restoring images from defocus images and estimating the focused position are discussed and confirmed

    離焦深度法估計離焦距離或者進行圖像恢復的依據是成像系統的點擴散函數及它所產生的模糊圓。
  8. Spot diameters of just a few thousands of an inch can readily be attained with convenient short focal length lenses.

    用普通的短焦距透鏡不難得到直徑只有幾十微米的光點。
  9. Features of dr1600 include automatic selection of both the correct reduction ratio and the proper focus

    Dr1600一大特點是能夠自動選擇正確的縮圖比例及準確的焦距。
  10. Lenses can be placed between the beam splitter and the computer display to focus the image so that it appears at a comfortable viewing distance

    在分光鏡和電腦顯示器之間放幾個透鏡，即可調整影像的焦點，使它看起來像是隔著某個舒適的觀察距離。
  11. Repulse bay was named after a british naval " repulsion " of pirates from there in 1841, and was also where love blossomed for han suyin and mark elliot in the classic love story, a many splendoured thing

    距離淺水灣不遠是香港一條主要的漁村香港仔，停在附近的珍寶海鮮舫燈光璀璨，是每一位訪港旅客不容錯過的美食焦點。
  12. The limitations of current video technology, however, mean that the quality of the visual experience of the real world is significantly decreased, essentially to the level of the synthesized graphics, with everything focusing at the same apparent distance

    然而，現有視訊技術仍有其限制，它所呈現的真實世界的視覺品質還相當差，甚至會降到合成圖像的水準，因為虛擬和實體的所有視覺焦點都在相同距離上。
  13. By the method of matrix optics, the waist width and imaging distance of gaussian beams through the coupling system are calculated. by the result of the calculation, a set of double planoconvex lens coupling system are designed and manufactured. the coupling efficiency is up to 92 %

    利用矩陣光學的方法，計算了高斯光束經耦合系統聚焦后的像距和束腰寬度，以此為指導設計加工了一套雙平凸鏡耦合系統，耦合效率達92 ；在以上基礎上研究了泵浦光與振蕩光在激光晶體中的匹配，計算出了泵浦光經耦合系統后的最佳焦點位置。
  14. 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焦距精確控制，用紅光指示結準器，更方便打標對象的定位，具有高效便捷無需耗材，無毒無污染等特點，是一款性價比較高的標記設備。
  15. The results show that radius and position of focal beam waist, focal angle and focal depth describe focal beam properties. they are determined by waist and rayleigh length of beam before focusing, the position and focal length of focus mirror

    聚焦光束束腰位置和半徑、聚焦角、焦深、焦點偏移量以及焦點漂移量是描述光束聚焦特性的主要參數，它們由四個參量共同決定，分別為聚焦前光束的束腰半徑、瑞利長度和聚焦鏡的焦距以及聚焦鏡到光束束腰位置的距離。
  16. The variable - focus liquid microlens based on electrowetting on dielectric ( ewod ), which has the outstanding advantages of simple structures, low power dissipation, easily tunable of focal length, etc., is most attractive

    在提出的各種新型的可變焦微透鏡技術中，基於介質上電潤濕的微流體透鏡由於其結構簡單、功耗低、調節焦距方便等眾多突出的優點而被人們所重視。
  17. Connecting the camera to the telescope with a suitable adaptor enables the telescope to become a long telephoto lens

    直接焦點法將攝影機接駁在一支望遠鏡后，把望遠鏡作為一支長焦距鏡頭使用。
  18. Considering that the image spot occupies more pixels and can give the large part of the outline of circular spot, a new method of locating the center of laser spot based on hough transform is presented

    本文提出一種隨被測物點距離變化按檔調節鏡頭焦距的變倍測量方案，並對其設計和參數選擇方法進行了研究。
  19. Experimentally, the plasma produced by cable plasma gun ( c - gun ) and dense plasma focus ( dpf ) was measured by the laser differential interferometer system. the clear interference patterns were acquired at different time. the contour maps of line integral density and curves of radial local density at different height above nozzle were presented

    實驗上，對等離子體斷路開關中的電纜等離子體槍（ c - gun ）和等離子體焦點裝置（ dpf ）產生的等離子體進行了測量，獲得了對應不同時刻的清晰的干涉圖像，給出了線積分密度等值線圖和距噴口不同高度處的徑向密度分佈。
  20. The field distribution and propagation properties in sil system is analysed, and the relationship between the focusing spot size and the defocusing amount is also described. moreover, a novel model is proposed on basis of the fdtd analysis that can make us increase the distance between sil and recording medium without decreasing the recording density

    模擬的過程中還發現，在小尺寸sil透鏡（半徑為波長量級）離焦時，系統焦點可以被推移到離sil底面較遠的位置而不會產生大的解析度損失，根據該結果我們提出了一種增大sil底面與存儲介質間距的方案，該方案對于sil高密度光存儲系統的實用化研究具有重要意義。
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