it is referred to upon civil registration.Ministry of health of the People’s *
问题描述：
it is referred to upon civil registration.Ministry of health of the People’s *
其中的is referred to
答
upon 是当.的时候
civil registration 民事登记
it is referred to upon civil registration.在民事登记时,要用到某样东西.
这个某样东西就是开头的那个It,可能是数据,可能是编号,可能是证件,总之,是上文刚提过的.