n.（对参加秘密工作人员等进行的）忠诚调查; 安全调查; 参与机密的资格; 安全级别（此级别涉及某人可以获得哪些保密信息，哪些不可以，可以进入哪些安全保密设施，哪些不可以。）

忠诚调查；安全调查

security clearances───忠诚调查；安全调查

security camerae───安全摄像机

security fence───安全性防护

security blanket───安全毯；带给人安全感的熟悉的物体

security camera───监控录像机；监控摄像头

security cameras───安保摄像头，安保摄像机

security check───安全检查；安检

security force───保安部队；安全部队

security leak───安全漏洞

Would assengers please proceed through security clearance to Gate 5?───请旅客们通过安全检查处,前往五号门登机.

Getting the microfilm had been easy enough with her security clearance.───凭着她的安全卡,微缩胶卷很容易就到手了.

You need security clearance before you can work with the president.───你在为总统工作前需接受安全调查.

He has a security clearance that allows him access to classified information.───他有安全许可，这准许他接触机密。

Over the last 10 years, a tiny group of scientists with security clearance was able to see some of the images, but couldn't use them publicly.───在过去的10年中，只有一小群经过忠诚调查的科学家才能见到某些图像，但是不能公开使用它们。

I'm sure you could get to them with your security clearance, if you wanted.───我敢说你可以打着安全检查的旗号接近他们, 要是你想的话.

The delays involve a security clearance process called Visa's Visas Mantis.───这些延迟包括称为“签证螳螂”的安全检查.

All employees at the submarine base require security clearance.───所有潜水艇基地的雇员必须得到安全部门的审查许可方可录用。

He has a security clearance that allows him access to classified information.───他获得了安全许可，可以接触机密信息。

You'll need to get security clearance for this job.

The delays involve a security clearance clearance process called Visa's Visas Mantis.

He was granted a security clearance and trained as an intelligence analyst at Fort Huachuca, Ariz., before being assigned to the Second Brigade 10th Mountain Division at Fort Drum, N.Y.

He has a security clearance that allows him access to classified information.

All employees at the submarine base require security clearance.

Morris did not have a security clearance .

A visitor without security clearance must be signed for by the sponsor and accompanied at all times.

Only personnel with a high-level security clearance are allowed in the building.

To visit the prison, you'll need security clearance.