OG20 262 请教关于平行的问题

33ya

A researcher claims that a tornado of a given size and strength is likely to cause more deaths, both proportionately and in absolute numbers, in the southeastern region of the United States than in the northeastern.
里面的
in the southeastern region of the United States than in the northeastern
  这个of the United States 为什么可以不平行呀？
  就针对这一小句 of the United States放在in the southeastern region和in the northeastern后面都是的的吗？

长丝弓

in the southeastern ... 和 in the northeastern平行，后面of the United States省略