lock-on boundary

例句：

1. 1.The team successfully locked in the boundary for the next play.
   队伍成功地为下一次进攻锁定了边界。
2. 2.The scientist locked in the boundary of the new discovery.
   科学家成功锁定了新发现的范围边界。
3. 3. The company has locked in a boundary on its expansion plans.
   公司已经确定了其扩张计划的边界。