“alteration and extension technology”的概念、定义、翻译、参考文献-科学参考

单词	alteration and extension technology
释义	alteration and extension technology Encyclopedia 工学土木工程改造技术释 alteration and extension technology改扩建技术在原有的土木工程结构基础上通过改造建设或扩充性建设，使原有结构能够满足新的功能需求。
随便看	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 element group element hypergenic mobility elementide element innovation

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。