Before you can do anything with digital signatures, you need to create a key pair, a public key and a private key.

在使用数字签名之前，我们需要创建一个密钥对，一个公钥和一个私钥。

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To get an official digital certificate signed by a recognized certificate authority, you need to generate a public-private key pair and use the public key to create a certificate request.

要获得由权威认证机构签名的官方数字证书，需要生成一个公开-私有密匙对并使用公开密匙生成证书请求。

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Sanyo has released the first pair of its Dual digital camcorders that support the iFrame video format with the VPC-HD2000A and VPC-FH1A.

三洋公司发布了两款支持iF rame的视频格式的数字摄像机VPC - HD 2000a和VPC - FH1A。

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It's lazy man's game viewing at its best, although you do go farther afield on game drives, where you're armed with a Canon 40D digital camera and a pair of telephoto lenses, about the coolest game-lodge amenity I've ever come across.

FORBES: Lifestyle Feature

View your collection of digital photos on screen, or plug in a pair of headphones and listen to stored music tracks while you're reading.

ENGADGET: Sony's new Reader Wi-Fi is the world's lightest 6-inch e-reader with multitouch screen (update: powered by Android)

Imagine: You could be the lucky grand prize winner who takes home round trip airfare to San Francisco for you and a friend, three nights at a swanky hotel, a WiFi-equipped Samsung WB850F digital camera to capture the fun, and a pair of coveted Expand tickets.

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