“港务船舶”的概念、定义、翻译、参考文献-科学参考

单词	港务船舶
释义	港务船舶 Encyclopedia 工学〔其他船舶〕释 harbour service boat港务船舶专门从事港务工作的船舶，是保证港口正常运作的各类港务船舶的总称。又称港内作业船舶。
随便看	principal indecomposable representation principal integral domain principal integral representation principal invariant principal isotope principal isotropy group principalization principal lattice element principal leadership principal left ideal principal left ideal ring principal line principal line of photograph principally analytic set principally polarized variety principal mapping principal matrix principal maximum principal measure principal minimum principal minor principal minor array principal minor determinant principal module principal moment

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。