observatories的例句（observatories在句子中的用法）

• There were 256 meteorological observatories with radar installations and 356 satellite cloud map receiving stations. 全国共有气象雷达观测站点256个,卫星云图接收站点356个.
• Since they were excellent astronomers, some think that they also used their pyramid structures as observatories. 由于玛雅人是出色的天文学家, 有人认为他们还将这些金字塔建筑用作天文观象台.
• Meteorologists use satellites, land observatories and historical data to provide information about the weather. 气象学家使用卫星 、 上天文台和历史资料来提供有关天气的信息.