“four-step rule”的概念、定义、翻译、参考文献-科学参考

单词	four-step rule
释义	four-step rule Mathematics four-step rule四步规则，直接求导法则
随便看	Ron Johnston Ron Mueck Ronnie Dean Coleman Ronnie O'Sullivan Ronny Someck Ronny Yu Rontgen Rontgen ray Rontgen rays Rood-Sastry classification Rood-Sastry system Rood-Sastry type roof roof and floor roof and floor of wood frame construction roof-angle prism roof fall roof garden roof greening roofing beam roofing engineering roof iris Roofloy roof of coal seam roof planting

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。