effective launcher line

例句：

1. 1. The effective launch lineis crucial for the success of the mission.
   有效的发射线对于任务的成功至关重要。
2. 2. The teamworked diligently to ensure thatthe effective launch line was optimized.
   团队努力工作，确保有效发射线得到优化。
3. 3. Theeffective launch line was designed to minimize therisk of collisions during launch.
   有效的发射线设计旨在最小化发射过程中碰撞的风险。