相对于多媒体卡由7针连接，安全数码卡，是由9连接引脚。

Compared to the Multi Media card composed of 7 connection pins, the Secure Digital card is composed of 9 connection pins.

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US B拇指驱动器，安全数码卡(SD)记忆和其他快闪记忆体正在迅速增加人气和能力。

USB thumb drives, Secure Digital Card (SD) memories and other flash memories are rapidly increasing in popularity and capacity.

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其最新的安全方案为一种数码密钥卡，可同客户的帐户相连，其密码每30秒自动更换。

Its latest security initiative is a digital key fob, linked to customers' accounts, whose security code changes every 30 seconds.

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But no matter, I spent a year in graduate school doing forensic research and working for the local Middlesex DA's office where I learned how to make a so-called forensic image of a digital camera's media card.

不过没关系，我在研究生院花了一年做法庭研究,并在那儿的Middlesex，DA的办公室工作,在那里,我学会了用数码相机的媒介卡,制作鉴识影像。

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