focal-length

基本解释

• 焦距

英汉例句

雙語例句

• At present, some difficulties are encountered in measurement of long focal-length of mirrors.
  目前，大口逕長焦距反射鏡焦距的精確測量存在很大難題。
• One zoom lens can replace several fixed focal-length lensed, but results are likely to be inferior.
  一個變焦鏡頭可以代替多個固定焦矩鏡頭，但傚果很可能比不上。
• Using a group of mirrors and a housing that's almost big enough to use as a coffin, Canon was able to stretch the focal-length on this SLR-specific lens to 5,150mm.
  佳能的這款單反相機專用折反鏡頭採用了一組折反鏡片，以及一個跟棺材差不多大的鏡身，其焦距被拓展到5150mm。

權威例句

• Featuring a powerful high-magnification optical 26X super-telephoto zoom lens, the new PENTAX X-5 provides photographers with a focal length of 4mm-104mm (22.3mm ultra-wide angle to 580mm super telephoto 35mm equivalent).
  ENGADGET: Pentax intros X-5 superzoom camera with 26x lens, tiltable LCD
• The high-end Schneider lens offers a 24mm, ultra-wide focal length and 3x optical zoom.
  ENGADGET: Samsung's PMA gifts: HD pocket camcorders, point-and-shoots with AMOLED screens
• TL34HD boasts an impressive resolution of 14.7 megapixels and renowned Schneider lens yielding a 28mm wide-angle focal length with 3.6x optical zoom.
  ENGADGET: Samsung gets official with 14.7MP TL34HD point-and-shoot

• focal-length更多例句

词组短语

短語

• focal -length extender [攝]變倍附加鏡頭
• long focal -length telemicroscope 長焦距望遠顯微鏡
• long -focal length lesn 長焦距物鏡
• mid -focal length 中焦距
• multi -focal length 多焦距

• focal-length更多词组

英英字典

柯林斯英英字典

• the distance from the focal point of a lens or mirror to the reflecting surface of the mirror or the centre point of the lens

• focal-length剑桥字典
• focal-length柯林斯字典

专业释义

計算機科學技術

• 焦距

  A new method of measuring telephoto lens focal length is presented in this paper.
  提出一種新的測量長焦透鏡焦距的方法。

• 焦長度
• 焦長

機械工程

• 焦距

  Using Gradual Aberration optimization Method, a 6m focal length, 600mm aperture off-axis aspherical optical system is successfully aligned.
  採用像差逐項優化法,成功地裝調了焦距爲6m 口逕600 mm 的離軸三反鏡光學系統。

• 焦點距離
• 焦

地球科學

• 震源距

電子、通信與自動控制技術

• 焦距

測繪科學技術

• 焦距