“地平上弧”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	地平上弧
释义	地平上弧 diurnal arc
随便看	selection of single traits selection of the second best course of action selection of water source selection parameter selection path selection piece selection plan selection plugboard selection pressure selection principle selection pulse selection ratio selection replacement technique selection response selection rules selection rules for atomic spectra selection scheme selection schemer selections from introductions selection signal selection slit selection statement selection statistic selection system selection system of natural regeneration