“cross-staff”的概念、定义、翻译、参考文献-科学参考

单词	cross-staff
释义	cross-staff Astronomy cross-staff直角照准仪; 十字杆
随便看	sound image sound image control sound in film & TV sounding sounding accuracy evaluation sounding balloon sounding board sounding datum sounding device sounding electrode sounding information processing system sounding machine sounding of the lower ionosphere sounding pole sounding rocket sounding rod soundings sounding thinning sound insulation sound insulation and noise reduction materials sound insulation class sound insulation coefficient sound insulation enclosure sound insulation in architecture sound insulation material

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。