“permian period”的概念、定义、翻译、参考文献-科学参考

单词	permian period
释义	permian period Encyclopedia 理学古生代释 permian period二叠纪古生代最后一个纪（第六个纪）。
随便看	high-speed photography in water -immersion system high-speed photography or high-speed imaging high speed photography technology high-speed photometer high-speed photometry high-speed physics and chemistry high speed rail economy high speed railway high-speed railway bridge high-speed railway station and terminal high-speed railway station zone high-speed railway terminal high-speed railway transportation high-speed rotating mirror scanning and frame cameras high-speed rotating mirror streak and frame cameras high speed ship high-speed solar wind high-speed spectroscopy high-speed spinning high speed steel produced by power metallurgy high-speed telescope high speed train high-speed trunk traffic control high speed turnout high speed video measurement technology for structural health monitoring of civil engineering

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。