Eart ke prediction is a complicated scientific prob m in the world, and nobody can solve the prob m perfectly yet up to now. But some progresses have en made by practice and exploration for many years, and it is worth to give a summarization.
Eart ke prediction is a complicated scientificprob m in the world, and nobody can solve theprob m perfectly yet up to now. But some progresseshave en made by practice and exploration for manyyears, and it is worth to give a summarization.