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.
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.
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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