由于野生动物，鸟类和宠物可能引发运动传感器系统，大多数装置提供了一种调节灵敏度。
Because wild animals, birds and pets can trigger motion sensor systems, most fixtures provide a way to adjust sensitivity.
介绍了PLC在减摇鳍装置航速调节中的应用，以PLC为控制核心实现装置的航速灵敏度调节的数字化处理。
The application of PLC in speed adjustment of fin stabilizer is introduced in this paper. This system USES PLC as the central device to achieve digital control of sensitivity adjustment of speed.
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