Physical studies of the eyes and retinas of fish show that the majority can obtain a clearly focused image, detect motion, and have good contrast-detection ability.

物理研究鱼的眼睛和视网膜显示大多数鱼能获得清晰对焦的图像，侦测动作，并具有良好的反差度检测能力。

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The challenge was to reflect city of Melbourne's cool sophistication on the world stage, capture the passion of its people, and provide the city with a unified, flexible, and future-focused image.

我们面临的挑战是要反映在世界舞台上的城市墨尔本的凉爽的复杂性，捕捉到人们的热情，为城市提供一个统一的，灵活的，和未来的聚焦图像。

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While it's important to have a positive body image, getting too focused on body image and appearance can cause a guy to overlook the other positive parts of himself.

虽然拥有正面的身体意象很重要，但是对身体和外表的过度关注也会让一个男孩忽略自己的其它优点。

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Instead of producing a clearly focused image, the various radio waves generate a mess.

ECONOMIST: Pulsars: In a wink | The

Ms Nooyi has also devoted resources to cultivating a corporate image focused on global social responsibility.

ECONOMIST: Cola wars, continued

It also suffered from wrongheaded marketing that focused on "image" rather than hard-core golf values under its former chief executive, ex-Revlon head George Fellows.

WSJ: How TaylorMade Made Its Move | Golf Journal by John Paul Newport