The ruling Communist partys policy allowing all couples to have two children came into force in 2016, leading to a 1.3m increase in births that year compared with 2015.
译文：执政的共产党允许所有夫妇生育两个孩子的政策在2016年生效，致使该年出生人数比2015年增加130万人。
1. 请问本句中最后部份，that year是什么成份？是特指这一年还是代表某种从句？
2. 还有compared with 2015是什么成份？
谢谢！
The ruling Communist partys policy allowing all couples to have two children came into force in 2016, leading to a 1.3m increase in births that year compared with 2015.
译文：执政的共产党允许所有夫妇生育两个孩子的政策在2016年生效，致使该年出生人数比2015年增加130万人。
句子语法结构剖析如下
主语：The ruling Communist partys policy
后置定语：allowing all couples to have two children
谓语：came into force
时间状语：in 2016
结果状语：leading to a 1.3m increase in births that year compared with 2015.
1. 请问本句中最后部份，that year是什么成份？是特指这一年还是代表某种从句？
解答：指代前面提到过的2016.名词短语that year作时间状语,不是从句
2. 还有compared with 2015是什么成份？
解答：compared with 过去分词作比较状语