四年级的

That to know by the somatotype transformed, one grade raised to 3rd grade, ectomorph type trend to Mesomorph type or Endomorph type, Until 4th grade trend to Ectomorph type or Mesomorph type. 4.

㈢罗列指数的年变，了解学生年成长的体型变，年级至三年级时，从长型适中型、肥胖型，至四年级则及长型、适中型的体型。