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汉语拼音：jù jiāo

1.使光或电子束等聚集于一点：～成像。

2.比喻视线、注意力等集中于某处：最近，新闻报道～于保护农民工权益问题。

1. 使光或电子束等聚集于一点。如：聚焦成像。

• Your camcorder should have these basic features: autofocus, playback facility, zoom lens.

  你的便携式摄像机应该具备以下基本功能：自动聚焦、回放功能、变焦镜头。

• The eyes of the world were now on the police.

  这时所有的目光都聚焦在警方。

• She attacked police in the full glare of TV cameras.

  她在电视摄像机的镜头聚焦下公然袭击了警察。

• "Edinburgh in Focus" provides a warts-and-all look at the city.

  《聚焦爱丁堡》节目真实地展示了这座城市，包括它的缺点。

• He focused the sun's rays on a paper with a burning glass.

  他用一面凸透镜把阳光聚焦在纸上.

• If a person is short - sighted, images are focused in front of their retina.

  人如果近视的话, 图像就会聚焦在视网膜前方.

• If your camera is not brought into focus, the photograph will be blurried.

  如果照相机镜头聚焦不准, 照片就会模糊不清.

• Magnetic coils focus the electron beams into fine spots.

  磁线圈把电子束聚焦成微小的点。

• He focused the sun's rays on a paper with a burning-glass.

  他用一面凸透镜把阳光聚焦在纸上。

• In the mass spectrograph the ions are focused onto a photographic plate.

  在质谱仪中,离子聚焦在感光板上.

• Light is condensed by means of lenses.

  光线由透镜聚焦.

• The camera is focused at infinity.

  照相机的聚焦被调节在无限远这一档上.

• Isoelectric focusing may be used as another indication.

  等电聚焦可以用为另一指标.

• When chainlike aggregates are found, rather exotic mechanisms are often sought to explain them.

  当发现链状的聚焦体时, 人们寻求有点异乎寻常的机理来解释它们.

• For a wiggly - line trace , the beam is focused on the scope face at a point.

  对于波形道, 光束在荧光屏面的一点上聚焦.