bottleneck analysis

例句：

1. 1. The bottleneck analysis of the project has been completed.
   项目的瓶颈分析已经完成。
2. 2. The bottleneck analysis helped us to identify the main issues in the project.
   瓶颈分析帮助我们识别了项目中的主要问题。
3. 3. The bottleneck analysis revealed that there were several areas where improvements could be made.
   瓶颈分析揭示了有几个领域可以改进。