“standard star”的概念、定义、翻译、参考文献-科学参考

单词	standard star
释义	standard star [`stan·dǝrd `stär] ^ASTRONOMY A star whose position or other data are precisely known so that it is used as a reference to calculate positions of other celestial bodies, or of objects on earth.
随便看	composite picture signal composite pile composite plate composite profile composite propellant composite pulse composite quantity composite sailing composite sample composite sampler composite sequence composite set composite sill composite steel composite stream composite topography composite track composite truss composite unconformity composite vein composite video signal composite volcano composite wave filter composition compositional maturity

科学参考收录了103327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。