All rooms are equipped with smoke sensors and automatic sprinkler system as well as monitor in passage and guest lifts. The security Department provides 24 hours security service for you.

客用 电梯及客房走廊装用探头，安全部设监控中心，并有保安人员24小时为您提供 服务。

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It took several hours before security forces were able to gain control of all the sites.

VOA: standard.2009.10.15

President Obama and 18 members of his national security team spent about three hours in the White House Situation Room Wednesday, assessing their Afghanistan policy.

VOA: standard.2009.10.01

"With that,I expect the security agencies to be 24-hours alert.

VOA: standard.2009.07.30

Early on prison managers insisted that Televerde shut down twice daily during business hours for security head counts.

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Obama's remarks came hours after Homeland Security Secretary Janet Napolitano announced that the United States is sending hundreds of federal agents and crime-fighting equipment to the border.

CNN: Obama to beef up Mexico border policy

The decision to extend the deadline to December 31, 2003 was a reversal by the Republican-led Select Committee on Homeland Security, which hours earlier had voted to keep the deadline put in place when Congress created the Transportation Security Administration in response to the September 11 terrorist attacks.

CNN: House panel tackles homeland security bill