焦距 的英文怎麼說

中文拼音 [jiāojù]
焦距 英文
[光學] focal distance; focal length
  • 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;...
  • 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...
  1. Discussion about off - focus influence on mtf for long focus aerial camera

    長焦距航天遙感相機離焦對傳遞函數的影響
  2. He took out the binoculars and adjusted the focus

    他取出雙筒望遠鏡並調整了焦距。
  3. The diameter of a sphere is four times the focal length of a concave mirror cut from it

    凹面鏡如果是從圓球上切下來的，圓球的直徑會是凹面鏡焦距的四倍。
  4. Whereas art historians will dilate on the symbolism of capturing the visual world in the convex mirror prominently displayed on the rear wall, i will be concerned instead with its optical properties, such as its focal length and light - gathering power

    藝術史學者會注意後面墻上那面醒目的凸面鏡，對它捕捉了視覺世界的象徵意義加以熱烈討論，而我則會專注於它的光學特性，如焦距與聚光能力。
  5. A typical lens has a focal length(f)of 625 mm.

    常見鏡頭的焦距（f）為625毫米。
  6. To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design

    為減少打標畸變，採用垂直二維振鏡分佈， f物鏡聚焦，將激光束經第二個振鏡反射後到加工平面的距離為焦距f ，為了避免打標時間過長，溫度過高破壞諧振腔，在設計中加上冷卻系統和自我保護裝置。
  7. As a result, the focal lengths in these planes will be different.

    結果，這兩個平面內的焦距將不同。
  8. The focal length of a given lens is different for different colors.

    一個特定的透鏡的焦距因顏色的不同而不同。
  9. The focal length of the camera lens plays an important role in photo criteria.

    攝影機鏡頭的焦距在攝影規范中起著重要的作用。
  10. The unsteadiness of air becomes prohibitive only if instruments with large focal length are used.

    只有在使用長焦距的儀器時，才不允許空氣的不穩定。
  11. The focal length of the conelensing lens should be such that the image of the source just fills the projecting lens.

    聚光透鏡的焦距應使光源的像正好照滿放映透鏡。
  12. On the determination of errors in thin lens ' focal distance

    對測定薄透鏡焦距誤差的探討
  13. Correct under the guiding of route, we successfully design and have trial - produced the one kind of new long large - scale camera of focal distance

    在正確路線的指引下，我們成功地設計和試制了一種新型長焦距大型照相機。
  14. In this paper, the focal distance formula of lens in varied shapes is obtained by using object methods to make its physical meaning more obvious

    摘要採用直觀的方法得出了空氣中各種形狀的薄透鏡的焦距公式，使其物理意義更加明顯。
  15. Abstract : it is proved that a small circular aperture has the positive and minus focal distances, and the research experiments for small aperture glasses are introduced concisely

    文摘:提出了證明小圓孔具有正、負焦距的一種方法，簡要地介紹了關于小孔眼鏡的實驗研究
  16. Abstract : the rules of ganssian light beams extended by lens are disscussed firstey, and the relation between the optimum waist extended and focal distance of the lens are found out

    文摘:首次討論了用透鏡來擴展高斯光束的一般規律，找出了最佳擴展束腰與透鏡焦距的關系
  17. Query two : two public so - called and wild china south tiger photographs, fold to match together to analyze, discover different angle different focal distance takes not and meantime of " living " tiger, facial features, outline, striped pattern, height consistent

    質疑二：兩張公開的所謂野生華南虎照片，疊合在一起分析，發現不同角度不同焦距不同時間拍攝的"活生生"的老虎，五官、輪廓、斑紋、高度一致
  18. In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

    在自動聚焦過程中，論文採用了圖象的灰度差分的絕對值之和的平方作為焦距評價函數，解決了是否正確聚焦的快速判斷問題；採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式，使聚焦速度和精度都得到了很大的提高。
  19. The company develops the production the panoramic camera to use 120 or220 roll films, the lens focal distance scope : 28 - 300mm, the fuselageuses the pure metal numerical control processing, but preciselyestablishes the shooting angle, the entire automatic attire volume, receives the volume, and may control remotely the photography, in thephotography may the automatic compensation exposure ; the panoramicpicture enlarger and bright room panoramic picture making anenlargement machine may use in 80 cm length the panoram negative, extremely conveniently manufactures each kind of width the panoramicpicture

    公司研製生產的全景照相機使用120或220膠卷，鏡頭焦距范圍: 28 - 300mm ，機身採用全金屬數控加工，可精確設定拍攝角度，全自動裝卷收卷，並可遙控拍攝，拍攝中可自動補償曝光全景照片放大機和明室全景照片擴印機可用cm長度內的全景底片，非常方便地製作各種寬度的全景照片。
  20. 1, cut over a head : bring up to combine the applied technique most and early for the toshiba, and is also current usage to is the most extensive. he adopts a laser head, and prepare the different slice of 2 focal distances the sony for cut over, passing the conversion differently focusing the coming respectively reading dvd with cd, its shape looking with double head to resemble respectively, because can see two sets focuse the, laser head to interiorly can t see. he reads the signal quantity is higher, but because of want the conversioning to focuse the, therefore the cost belong to the inside and so forth of level, and recognize the dish speed slow, same the implicit mechanical trouble rate is high

    1切換雙鏡頭：為toshiba最早提出並應用的技術，也是目前使用最廣泛的。他採用一個激光頭，分別準備2個焦距不同的鏡片切換，通過轉換不同的聚焦鏡來分別讀取dvd和cd ，它的外形看起來與雙頭的sony相似，因為只能看到二組聚焦鏡，激光頭在內部看不見。他讀取信號質量較高，但由於要轉換聚焦鏡，所以成本屬于中等水平，認盤速度較慢，同樣隱含的機械故障率比較高。
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