“天然防御工事”的概念、定义、翻译、参考文献-科学参考

单词	天然防御工事
释义	天然防御工事 natural fortification
随便看	new pattern new penny new period of vigorous economic growth new pilot new plant and equipment expenditures new plant cane new ploughed field new political economy of development new poor law new position area new print new process new process equipment new product development new product development plan new product development process new product division new product evaluation new product introduction plan new production reactor new production system new productive capacity new-product monopoly new products new product trial production fund

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。