民族地区经济落后,其特征之一便是它的封闭性.越封闭越落后,越落后越封闭。这是一种恶性循环。民族地区经济发展,必须解决封闭问题,实行彻底的开放。开放必然参加地区外的经济循环,进一步吸收外部先进科学技术和管理方法,增加发展的动力。因此,通过开放,参加外部即国际国内的循环, One of the characteristics of its backwardness in the economically developed areas is its closedness, the more the more it lags behind and the more it is lagging behind. This is a vicious cycle. In economic development in ethnic areas, we must solve the closed-door issue and implement a thorough opening up. Opening up will inevitably take part in the economic cycle outside the region, further absorbing external advanced science, technology and management methods and increasing the momentum for development. Therefore, by opening up and participating in the external, international and domestic cycles,