12 near the east entrance to wu gorges , between three gorges and daba mountains , a stream winds its way across remote high mountains and deep valleys where lies shennongjia , an ancient and miraculous primitive forest which is the largest natural oriental botanical garden and zoology in center of china 在长江三峡和汉水大巴山东段，贴近巫峡东口，一条溪流，蜿延而下，流经深山和幽谷，这一片山林就是华中地区最大的植物园和动物园?神农架。
In the early xujiahe age ( t3x2 3 ) , micang - daba mountains were still in stable uplift station with low amplitude . on the contrary , the thrust action of longmen mountains was active . at this age , the northeast sichuan foreland basin was mainly influenced by remote effect of longmen mountai ns " thrust action 认为在须家河早期( t _ 2x ~ ( 2 - 3 ) ) ，米仓山?大巴山构造山系尚处于低幅稳定隆升状态，而龙门山构造山系的逆冲推覆作用较为活跃，川东北前陆盆地主要受龙门山逆冲推覆作用的远端效应的作用为主。
