Иран установил личности виновных в ударе по школе для девочек в Минабе14:56
Дарья Устьянцева (редактор отдела «Мир»)，详情可参考WPS官方版本下载
Популярность красной икры в России объяснили08:48，详情可参考爱思助手
基层治理“小马拉大车”难题如何破解？近年来，湖南省怀化市鹤城区坚持党建引领，把增加社区专职工作者作为“为基层减负”重要手段，探索实施“3+X”模式，打造素质优良、敬业奉献、群众满意的社区工作者队伍。，更多细节参见Line官方版本下载
I think it's somewhat clear that with this narrower meaning, we can group a system in modules, but still have a full view of it that allows us to study its reliability and correctness at the whole system level, because there's no “abstracting” going on.