critical diameter

例句：

1. 1. The decision was criticalfor the company's survival.
   这个决定对公司的生存至关重要。
2. 2. The scientist found that theexperiment was crucial to understanding the process.
   科学家发现，实验对于理解过程至关重要。
3. 3. Theoutcome of the meeting was critical to theproject's success.
   会议的结果对项目的成功至关重要。