“壳段”的概念、定义、翻译、参考文献-科学参考

单词	壳段
释义	壳段 Encyclopedia 工学壳段释 shell segment壳段火箭的主承力结构，是除推进剂贮箱和高压气瓶以外所有主承力结构的统称。又称干部段。
随便看	elementary topos elementary transcendental function elementary transformation elementary transformation of a matrix elementary translation elementary unit elementary variation elementary vocational education elementary volume elementary wave elementary work element at infinity element bioavailability analysis for geochemical samples Element comparison method element composition of crude oil element concentration element concentration gradient Element counting method element damping matrix element-deficient nutrition solution element divisible on the left element divisible on the right element enrichment factor method element finite element equation element formation

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。