Depth of field is a key aspect of many droplet shots, with a clear central area and a hazy smooth outer edge to the shot.

视野深度是很多微小水珠拍摄的关键，中心区域清晰，外缘平滑模糊。

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The depth of expression is the key.

这种表达的深度就是关键。

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Defense in depth can also be used to solve the problem of protecting cryptographic authentication information (usually called a key) from people who break into your machine.

深度防御也可以用于解决保护密码认证信息(通常称为密钥)以防止别人入侵您的机器的问题。

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Baldini, England's general manager, held in-depth talks with four key Football Association board members on Monday - chairman Lord Triesman, chief executive Ian Watmore, director of communications Adrian Bevington and head of development Trevor Brooking.

BBC: John Terry stripped of England captaincy by Capello

The programme consists of thematic sessions focused on in-depth exploration of key topics.

UNESCO: EDUCATION

Over the course of 5 days the participants learned best practices of running rural advisory services, particularly, received in-depth information on the methodology and key concepts of agro-consulting, as well as methods of problem solving, including identification and analysis.

UNESCO: OFFICE IN TASHKENT