The A. rgo program is a global ocean observation test project launched in 1998. For more than ten years, more than 30 coastal countries have worked together to distribute nearly 10,000 A. rgo buoys in various oceans around the world, forming the global ocean monitoring network. Real-time observation of global upper ocean temperature, salinity, and currents. By sharing data, marine and meteorological science researchers in various countries use big data technology to process massive data and study the impact of ocean climate on extreme weather and global climate New results have been harvested. The A. rgo plan has changed human monitoring methods and methods of the ocean. It has filled the gaps in marine meteorology and played a role as a model for other global scientific research projects. According to the text, is the following statement correct? ['Only coastal countries can benefit from the A. rgo plan.', 'No systematic global real-time ocean observation project before 1998.', 'Big data technology is an indispensable technology for global scientific research cooperation projects.', 'It is difficult to achieve real-time observation of the global oceans with previous monitoring methods.']