The early civilization origin and human activity of the middle reaches of Yellow River are closely related to the climate in this area.

黄河中游早期文明起源及人类生产活动，与本区气候关系有很好的耦合性。

youdao

The soft rock area is a major sediments-producing area resulting from bedrock erosion in the middle valley of the Yellow River.

砒砂岩区是黄河中游集中的基岩产沙区，强烈的岩土侵蚀与砒砂岩的岩性密切相关。

youdao

Located in the middle reaches of the Yellow River, this area naturally became the Centrum of the collective handlings of the floods.

中原地处黄河中游，这既使其免遭史前洪水的极大破坏，又将其推向治理史前洪水组织中枢的位置。

youdao