The magnetic tape with speech prompt for testing tape speeddeviation of audio recorder can play its role only by inserting it into audio recorder. It is used to repair and calibrate audio recorder.
Meteorological data mainly include the average wind speed, mean wind direction, wind standard deviation, average temperature, atmospheric pressure, rainfall, atmospheric stability parameters.
气象数据主要包含平均风速、平均风向、风向标准差、平均温度、大气压、降雨量、大气稳定度等参数。
3
Filling deviation depends on filling amount, filling rate and the switching speed of the upper and lower valves.