Objective To investigate the prevalence of dental carries in persons of a navy special operation force.

目的了解海军特勤人员龋病流行病学情况。

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With special bearing, high sensitivity, nylon sealing device and anti collision device, which can effectively reduce the impact force and ensure the stability of the operation.

采用特制轴承，滚轮灵敏度高； 尼龙密封装置及防撞装置，有效减缓冲击力，确保运行的稳定。

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The entire operation was part of Air Force Special Operations Command, but recently moved under the umbrella of Air Combat Command.

CNN: Quade: Secretive military team allows reporter inside