“primary and secondary”的概念、定义、翻译、参考文献-科学参考

单词	primary and secondary
释义	primary and secondary Encyclopedia 艺术学构图释 primary and secondary主与次摄影画面的主要构成部分与次要构成部分、关键构成元素与非关键构成元素、主导造型效果与辅助造型效果之间的关系。为摄影构图技巧中的一个主要法则。
随便看	signal phase spectrum signal power spectrum estimation signal process signal processing signal-processing antenna signal recognition particle signal reconstruction signal resolution signal scaffold protein signal screen signal sequence signal's gaussian characteristics signals of agrometeorological disaster prewarning signal source signal space signal statistics analysis signal strength signal swing signal system of hydropower station signal system theory signal theory signal to noise ratio signal-to-noise ratio signal-to-noise ratio，SNR signal transduction

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。