2012-2-23 22:1"瑞雪兆丰年" is a widely circulated agricultural proverb, meaning that several heavy snowfalls in winter serve as an omen of a bountiful harvest in the coming year.......
2012-2-21 12:43For thousands of years, the working people of our country have summarized rich experience in "cloud watching and weather prediction" based on the changes in th......