“cross staff head”的概念、定义、翻译、参考文献-科学参考

单词	cross staff head
释义	cross staff head 棱镜测角器直角器
随便看	mother cyst mother gallery (昆虫巢中的) mother geosyncline mother glass mothering ability mothering cell mothering corral mothering plant mother instinct mother liquid mother liquor tank mother lode mother machine mother magma mother map mother material mother metal mother missile mother nuclide mother nut mother of clove mother of coal mother oflthyme mother-of-peal mother-of-pearl

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。