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TIDAL WAVE FORECAST STATION BY THE SEASHORE
TIDAL WAVE FORECAST STATION BY THE SEASHORE
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机译:海浪潮汐预报站
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摘要
A measuring device (2) measures the height of water surface (3) in due frequency. The measured value is compared with programmed actual local values of low tide and high tide. Signals are sent to a center to alarm the population, if significant reduction of water level of the sea in relation to the programmed value is detected.
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