regional nitrogen budgets

例句：

1. 1. The regional nitrogen budget is an important factor in determining the health of a region's ecosystem.
   区域氮预算是决定一个地区生态系统健康状况的重要因素。
2. 2.The study of regional nitrogen budgets has shown that human activities can have significant impacts on the environment.
   研究区域氮预算表明，人类活动对环境有重大影响。
3. 3.To maintain sustainable development, it is crucial to understand and manage the regional nitrogen budgets.
   为了实现可持续发展，了解并管理区域氮预算至关重要。