3) Primary training age
初训年龄
4) Age of first delivery
初产年龄
5) menarche age
初潮年龄
1.
41years-old,and the menarche age of adolescent girls in the urban was 0.
结果平均初潮年龄13。
2.
In order to investigate the menarche age and psychosexual behavior of girl students in the railway middle schools of seven cities, use health education questionnaire to investigate 2447 girl students of railway middle schools of seven cities.
为了解 7城市铁路中学女生月经初潮年龄和性心理行为状况 ,采用“健康教育调查表”对 7市铁路中学 2 44 7名女生进行调查。
6) first vaccinated age
初免年龄
补充资料：年初
1.指一年的开头几天。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条