Duo这个词是Sony自己的存储技术“Sony Memory Stick Duo”（索尼记忆棒）的意思。Pro是Professional（专业）。
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... memory stick记忆棒 sony memory stick duo读卡器 memory stick pro duo记忆棒 ...
SONY Memory Stick PRO DUO 记忆棒
Sony Memory Stick PRO-HG Duo 点击放大
sony memory stick duo
索尼记忆棒二重奏
以上为机器翻译结果，长、整句建议使用 人工翻译 。
To that end, Sony deserves credit for the flexibility it's offered with its relatively expensive and unpopular Memory Stick Pro Duo.
ENGADGET: Switched On: Stuck in the Middle with UMD
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