“focusing mark”的概念、定义、翻译、参考文献-科学参考

单词	focusing mark
释义	focusing mark 聚焦标聚焦标对光标
随便看	leak-in leakiness leaking leaking dose leaking joint leaking tuyere leakless leak level leak localizer leak locater leakly leak-off leak off connection leak-off escape leak-off pipe leakoff-type shaft seal leakoff-type shaft seat leak of water leak oil line leak out leak-out leak preventive leakproof leakproof fit leak proof fit

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。