此事件可以绑定到闸口门打开、动作传感器触发或闸口门管理人员触发的其他输入。
This event could be tied to the opening of a dock door, the triggering of a motion sensor, or by some other input triggered by a dock door attendant.
它和Xbox的配件Kinect动作传感器的工作原理相类似，其内置摄像机能感知深度和动作。
It functions in a similar way to Kinect, the motion sensor gadget for the Xbox, in that the camera senses depth and movement.
一些孩子们把一个动作传感器和一个蜂鸣器结合起来，这样当他们的兄弟进来时，他们发出警报声。
Some kids combine a motion sensor and a buzzer so that the alarm sounds when their brother comes in.
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