focal date

例句：

1. 1. The focal date for the project is set for next month.
   该项目的焦点日期定于下个月。
2. 2. The company's annual meeting will be held on the focal date of the calendar year.
   公司的年度会议将在日历年的焦点日期举行。
3. 3.The research team has identified several focal dates for their study.
   研究团队已经确定了他们的研究的几项焦点日期。