physical security features
物理安全特性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But they give no quarter on the expensive physical security features and suggest that states deal with privacy concerns on their own.
ECONOMIST: States balk at a new national standard
It features a simple interface and the physical key requirement provides an additional layer of security that avoids using a vendor's redirection service such as those offered by Cloud Engines for PogoPlug or Axentra for Netgear's Stora.
ENGADGET: Switched On: MyDitto NAS has some key issues
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