The chengguan are a secondary security force employed to take pressure off the police by enforcing regulations, but are widely feared for their heavy-handedness.

作为二级保安力量，城管被雇用来分担警察执法压力，但他们粗劣的手段引发广泛担忧。

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To allow for ease of use, wireless Hosted Network also supports the concept of a secondary or user security key that is more user-friendly, but could be less secure.

为了便于使用，无线承载网络还支持“第二密钥”，也称作“用户安全密钥”，使用起来更加友好，但是安全性稍差。

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Command resource security provides a secondary level of checking for commands.

命令资源安全性为命令提供了一个辅助检查级别。

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Even airport scans are typically used only as a secondary security measure, he points out.

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The rest present them as a voluntary secondary security option in lieu of a pat-down, which is protocol for those who've repeatedly set off the metal detector or have been randomly selected for additional screening.

CNN: Airport security bares all, or does it?

Rep. FRANK: To sell into the secondary market - this is where prepayment has come in - when people buy a security in the secondary market, they want some assurance that they're going to have that income through a number of years.

NPR: Time for Renovation at the FHA?