Development can refer to maturity in terms of physical, cognitive, language, social-emotional, temperament, or fine and gross motor skills development.
发育可以指身体、认知、语言、社会情感、气质，或精细和大运动技能的发育。
To investigate the gross motor function development in normal children.
为了探讨正常儿童的大运动功能发育进程。
To investigate the gross motor function development in normal children.
为了探讨正常儿童的大运动功能发育进程。
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