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从表五 图5—1可以看出,7至12岁藏族男女生的速度都是随年龄增长而逐年提高的,男女生都在12岁时达到高峰,最高值为113.92秒和120.60秒,其间分别共提高了16.15秒和13.96秒。男生提高幅度较大于女生。 从增长值来看(见表五、图5—2),男女生的最高年增长值略有不同,男生的高峰增长值在7至8岁为7.53秒。而女生的高峰增长值在8至9岁为4.34秒。以后趋于稳定增长。女生要比男生晚两岁左右。
As shown in Figure 5-1 in Table 5, the male and female Tibetan boys and girls between the ages of 7 and 12 are increasing year by year with both boys and girls reaching their peak at the age of 12, with the highest values of 113.92 seconds and 120.60 seconds Respectively, a total increase of 16.15 seconds and 13.96 seconds. Boys to improve more than girls. From the growth point of view (see Table 5, Figure 5-2), the highest annual growth rate of boys and girls is slightly different, the peak growth of boys in the 7-8 years old was 7.53 seconds. The peak growth for girls in the 8 to 9 years was 4.34 seconds. After the trend tends to steady growth. Girls than boys about two years later than boys.