overall noise temperature

例句：

1. 1.The overall noise temperature of the room is too high.
   房间的总体噪声温度太高了。
2. 2. The average noise temperature of the city is 30 degrees Celsius.
   城市的年均噪声温度为30摄氏度。
3. 3. The overall noise temperature of the building is measured by a special device.
   大楼的总体噪声温度通过一种特殊设备进行测量。