求翻译：境内群山连绵，峰峦奇秀。山体骨架分期由县城以北3条东西走向和沿宽凤交界、鸭绿江右岸2条北东山脉构成。是什么意思？

The territory of rolling hills, ridges and peaks Qixiu. The skeleton of the mountain the installments by county north three east-west and along the width of the phoenix junction of two North East mountains of the Yalu River on the right bank.

In the mountains, hills, and trail. Mountains in the skeleton phases 3 to the north County east and across the wide Feng junction, Yalu River right bank 2 north east mountains.

Within the boundaries hills is continuous, the peaks and ridges are wonderfully beautiful.The mountain massif skeleton 3 things moves towards by stages by the county seat north of with along the width phoenix border, the Yalu River right bank 2 north east sierra constitutions.

The territory of mountains stretching, ridges and special and beautiful. Mountain stages skeleton from 3 East-West and North of the County, along a wide junction of Fung, right bank of the Yalu River 2 North-East mountains form.

正在翻译，请等待...