“前裸子植物”的概念、定义、翻译、参考文献-科学参考

单词	前裸子植物
释义	前裸子植物 Encyclopedia 理学古植物学释 progymnosperms前裸子植物一类起源于中泥盆世已经灭绝的维管植物。
随便看	safety operation of civil engineering system safety operation of crane safety operation regulation safety paper safety pedagogy safety performance safety performance evaluation safety period of fertility alteration safety pharmacology safety physiology safety pillar safety pre-evaluation safety production cost safety production incentive mechanism safety production index safety production insurance safety production liability insurance safety production license system safety production of hydropower station safety production qualification certification training safety production responsibility system safety production rules and regulations safety production strategy safety product validation safety profit

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。