In the mode of operation, the user can choose flashlight door operation or remote control.

在操作方式上，用户可选择手电门操作或无线遥控。

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By use of VVVF technology to directly control elevator door operation simplified the mechanical structure of elevator door device with low noise in door closing and leveling in exact position.

采用VVVF技术对电梯开门机直接拖动，使电梯门机装置机械结构简化，关闭时噪声低，且可靠到位。

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In order to solve these problems, the improvement of the automatic revolving door method of control and safety inspection system and eventually reached a safe and stable revolving door operation mode.

为了改善这些成绩，改良自动旋转门的控制方式和平安检测系统，最终到达一个平安、波动的旋转门运转方式。

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Mark, a master chief petty officer and the ranking noncommissioned officer on the operation, crouched on one knee beside the open door of the lead helicopter.

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Like the Japan International Co-operation Agency, another backer, it has kept the door open.

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It is "an internalized operation focused on moving that pile of applications in the door and out the door, " said Marcus Owens, a former top IRS official who oversaw the exempt-organizations division until 2000.

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