研究表明，九分力模型和九分力推力矢量试车台提高了推力矢量测量的精度，适合用于测量大型固体火箭发动机的推力矢量。

The study shows that the nine-component model and nine-component thrust vector stand can improve the precision of thrust vector measurement greatly.

youdao

研究表明，九分力模型和九分力推力矢量试车台提高了推力矢量测量的精度，适合用于测量大型固体火箭发动机的推力矢量。

The study shows that the nine-component model and nine-component thrust vector stand can improve the precision of thrust vector measurement greatly.

youdao