The basis for our modern system of communication began when samuel mores invented the telegraph , alexander graham bell invented the telephone , and guglielmo marconi invented the telegraph without wires 现代通信系统的起点是从萨缪尔?摩尔斯发明电报、亚历山大?格雷汉姆?贝尔发明电话、以及古格里莫?马可尼发明无线电报开始的。
Over the years new innovative technologies such as wireless telegraphy , radiosonde , radar , satellite and computer , were applied by the observatory for improving its weather forecasting and warning services 历年来天文台应用创新的科技不断改进天气预报及警报服务。这些科技包括无线电报、无线电探空仪、雷达、气象卫星及电脑等。
Over the years new innovative technologies such as wireless telegraphy , radiosonde , radar , satellite and computer , were applied by the observatory for improving its weather forecasting and warning services 历年来天文台应用创新的科技不断改进天气预报及警报服务。这些科技包括无线电报、无线电探空仪、雷达、气象卫星及电脑等。
