“primary standard of angle metrology”的概念、定义、翻译、参考文献-科学参考

单词	primary standard of angle metrology
释义	primary standard of angle metrology Encyclopedia 工学角度计量基准释 primary standard of angle metrology角度计量基准为几何要素间夹角及空间姿态角角度提供参考量值，具有最高的计量学特性的测量标准。
随便看	imaginary number imaginary part imaginary plane imaginary point imaginary prime divisor imaginary projection imaginary quadratic field imaginary quadric imaginary quantity imaginary quaternion imaginary root imaginary source imaginary sphere imaginary time dynamics imaginary time Green function imaginary time Green's function imaginary time path integral method imaginary transformation imaginary unit imaginary value imagination imagination following scenes imaginative defence imaginative geographies imaginative joinder of crime

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。