n.火箭学，火箭技术

The space shuttle program marked a significant advancement in rocketry technology.
这一航天飞机项目标志着火箭技术的重大进步。
SpaceX's reusable rockets have revolutionized the field of commercial rocketry.
Space X的可重复使用火箭彻底改变了商业火箭领域。
Our team is working on developing a new type of propulsion system for rocketry.
我们团队正在研发一种新型火箭推进系统。
The rocketry enthusiast spent his weekends building and launching model rockets.
这位火箭爱好者周末常常制作并发射模型火箭。
The failure of the rocket during launch was a major setback for the country's rocketry program.
火箭在发射中失败对该国的火箭计划是一个重大挫折。
Rocketry enthusiasts gather annually at the International Rocketry Congress to share their knowledge.
每年，火箭爱好者都会聚集在国际火箭大会分享他们的知识。
NASA's Mars missions have pushed the boundaries of interplanetary rocketry.
NASA的火星任务推动了行星际火箭技术的发展边界。
The development of solid-fuel rockets has greatly simplified the process of rocketry.
固体燃料火箭的发展大大简化了火箭制造过程。
In rocketry, thrust is generated by expelling mass rearward at high velocity.
在火箭学中，推力是通过高速向后喷射质量来产生的。
The young boy was fascinated by the spectacle of fireworks, an application of basic rocketry principles.
这个小男孩被烟花表演所吸引，这是基本火箭原理的应用。