这种设备只有动物散发的热能影像被监测到的时候才会触发拍照。 它的感应器装在密闭的空间里以防止风吹日晒雨淋。
The devices take pictures only when an animal’s heat signature is detected by sensors inside a weatherproof housing.
相近的原理方法有激光陀螺仪原理可以解释，激光陀螺仪从一个封闭的系统设备获取非密闭系统的信息。
A similar approach is necessary to explain the principle of the laser gyroscope, where open system attitude information is obtained from an apparently closed system device.
由于该设备是密闭的恒压供水，完全保持了水源的水质卫生标注，由于不与空气接触，避免二次污染和人为破坏。
Since the device is sealed in the constant pressure water supply, Entirely keep the water quality sanitation tagging, Because do not contact with air, Avoid secondary pollution and vandalism.
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