What does the poem is like a spring gale, come up in the night and blowing open the petals of ten thousand pear trees mean? What is it described in the text? Give an example.

"is like a spring gale, come up in the night, blowing open the petals of ten thousand pear trees" means that heavy snow is blooming like pear blossoms, which was originally used to describe the extremely cold border in the north. It is used to describe the rapid and great changes in the achievements of modern science and technology in the text "The Century of Raining", which is unexpected and brings unexpected surprises to people.

For example:

The development of China's space industry: On October 15th, 23, Shenzhou V carried China's first astronaut Yang Liwei into space, and returned to the ground 21 hours later, making China the third country to master manned space technology.