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1 研究目的 随着社会的发展和进步,人们的文化生活水平和物质生活水平的不断提高,青少儿们对自己未来的身高特别津津乐道。家长们对自己子女的身高也非常的关注。因为现在社会上无论是招工、参军还是升
1 Research purposes With the development and progress of society, people’s cultural life and material living standards continue to rise, young people particularly relish about their future height. Parents are also very concerned about the height of their children. Because now in the community whether it is recruitment, joining the army or rising