Dust cover and seal with double protection, isolated pollution.

采用防尘盖和密封圈双重保护，隔绝污染。

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Double protection to the data was realized with right information table and database user.

使用权限信息表和数据库用户共同控制权限，对数据做了双层保护。

youdao

Automatic positioning of electric machine stop, double protection of cement output system.

电机停车自动定位，出胶系统双重保护。

youdao

Also,there is constitutional protection against double jeopardy being put on trial twice for the same crime.

VOA: special.2009.08.31

The M5M also features Plextor's True Protect unique enterprise-grade double-data protection technology.

ENGADGET: Plextor trots out M5M series mSATA drives at CES

In line with the needs of advanced users for highest data integrity and confidentiality, the M5 Pro offers a unique enterprise-grade double-data protection technology.

ENGADGET: Plextor M5 Pro bulges SSD envelope with 94K IOPS and 540MB/s

Against these human frailties, constitutional constraints offer little more protection than double yellow lines on a highway.

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