在特定的频率这一个图表和一个大的开阔的地面显示现有的地下空洞。
In this diagram a high amplitude at specific frequencies indicates existing subterranean voids.
热带雨林图片。这个视图从热带雨林地面显示洞孔在苍穹在那里阳光获得穿过。
This view from a rain forest floor reveals openings in the canopy where sunlight gets through.
大多数接箍定位器探测接箍形成的磁异常，并向地面显示和深度对比设备发送一个信号。
Most collar locators detect the magnetic anomaly created by the mass of the steel collar and transmit a signal to surface-display and depth-correlation equipment.
应用推荐