“固体火箭发动机球窝喷管”的概念、定义、翻译、参考文献-科学参考

单词	固体火箭发动机球窝喷管
释义	固体火箭发动机球窝喷管 Encyclopedia 工学固体火箭发动机喷管释 solid rocket motor ball-socket nozzle固体火箭发动机球窝喷管通过阳球头和阴球窝结构实现喷管固定体和活动体的相对运动，从而实现对固体火箭发动机推力方向进行控制的喷管。
随便看	ophthalmologic optical devices ophthalmologist ophthalmology ophthalmometer ophthalmoscope ophthalmoscopic ophthalmoscopy ophthalmotonometer opiates Opificio delle Pietre Dure Opik-Oort cloud Opik theory opilia family opiment opinion opinion columnist opinion dynamics opinion leader opinion leaders opinion mining opinion of upper class opinion on site selection of construction project Opinions of the General Office of the State Council on Regulating the Layout and Adjustment of Rural Compulsory Education Schools Opinions of the Ministry of Education on the Implementation of Excellent Teacher Training Program Opinions of the State Council on Deepening the Reform of Examination and Enrollment System

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。