object field

例句：

1. 1. The research team focused on the object field of renewable energy.
   研究团队专注于可再生能源的目标领域。
2. 2. The company aims to expand its object field in the Asia-Pacific region.
   该公司计划扩大其在亚太地区的目标领域。
3. 3. The project's success depends on how well we can manage our object field.
   该项目的成功取决于我们如何管理好目标领域。