Tung distribution

例句：

1. 1.The distribution of copper ore is crucial for the development of the mining industry.
   铜矿的分布对于矿业的发展至关重要。
2. 2.The study of tung distribution is essential for understanding the geological history of the region.
   研究铜的分布对于理解该地区的地质历史至关重要。
3. 3.The distribution of copper ore varies greatly across different regions, affecting the economic potential of the mining areas.
   铜矿的分布在不同地区差异很大，影响了采矿地区的经济潜力。