求翻译：其自然因素：由于洛阳地处中原，山川纵横，西依秦岭，出函谷是关中秦川；东临嵩岳；北靠太行且有黄河之险；南望伏牛，有宛叶之饶，所以“河山拱戴，形势甲于天下”。古代一直有得中原着得天下之说，再加上洛阳的特殊地理位置，自然是古代帝王的定都首选。是什么意思？

The natural factors: Luoyang is located in the central plains, mountains and horizon, the West Qinling, is shut out of Hangu in the Qin Chuan; east Songyue; north line and there is too much risk of the Yellow River; South Point barberry, there Wan leaves of Rao, Therefore, the "rivers and mountains

Its natural factors: Because horizontal Luoyang in the Central Plains and the mountains and rivers in the West, according to a letter Qinling valley is about the hatagawa; East since its too line; north depends on the risk and the Yellow River; south of funiu, Lithuania's mercy, and that it is "a be

Its natural factor: Because Luoyang is situated at the area south of Yellow River, the mountains and rivers vertically and horizontally, west depend on Qinling, leaves the letter valley is the Guanzhong Qinchuan; East near lofty mountain; North depends on mountain in shansi also has danger of the Ye

Natural factors: as Luoyang is located in the Central Plains, mountains and vertical and horizontal, West Qinling, letter Valley is in qinchuan; East songyue; North Taihang and adventure of the Yellow River; Nanwang funiu, winding Ye Zhi to spare, so the "Arch of heshan, the situation in the world".

正在翻译，请等待...