degree of self-sufficiency

例句：

1. 1.The company has achieved self-sufficiency in its production processes.
   该公司在其生产过程中实现了自给自足。
2. 2. The farmers have increased their self-sufficiency by planting more crops.
   农民通过种植更多农作物来提高自给自足能力。
3. 3.The country has been working towards achieving greater self-sufficiency in energy sources.
   该国一直在努力实现能源来源的更大自给自足。