午夜欧美大片免费观看,欧美激情综合五月色丁香,亚洲日本在线视频观看,午夜精品福利在线

Based on the study of early-warning techniques of disaster weather such as strong wind, heavy mist, sea waves, etc., a meteorological service system for various sea area is established. For the sake of the economic development of the coastal area of Jiangsu Province, some new services for voyage, salt industry, harbor construction, beach construction, aquatic production, seashore tourism, etc. are developed. The main technique methods of the system are introduced.