“natural system”的概念、定义、翻译、参考文献-科学参考

单词	natural system
释义	natural system Encyclopedia 理学系统学释 natural system自然系统以天然物为要素，由自然力作用所形成的系统。又称天然系统。是指那些不受到人为干扰或影响，或者人为干扰或影响比较小的系统。 Mathematics natural system自然坐标系，自然标架
随便看	primary standard dosimeter primary standard for airborne sound pressure primary standard for OCTG threads primary standard for sound pressure in water primary standard for ultrasound power primary standard light source primary standard machine of shore hardness primary standard machine of vickers hardness primary standard material primary standard of absorbed dose to water primary standard of air kerma primary standard of angle metrology primary standard of diffuse transmitted visual primary standard of exposure primary standard of flatness primary standard of illuminance primary standard of laser small angle primary standard of laser wave length primary standard of length primary standard of line angle primary standard of luminance primary standard of luminous exposure primary standard of luminous intensity primary standard of microwave phase shift primary standard of multi-teeth index table

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。