“Ordinary protective masks”的概念、定义、翻译、参考文献-科学参考

单词	Ordinary protective masks
释义	Ordinary protective masks Encyclopedia 工学产业用纺织品释 Ordinary protective masks日常防护口罩日常环境中，普通人群用于阻隔飞沫、花粉、柳絮、微生物等颗粒物传播，阻隔鼻腔或口腔呼出或喷出污染物所佩戴的民用卫生口罩。
随便看	laser microbeam technology laser micro cladding laser microemission spectral analysis laser microirradiation laser microprobe laser micro welding laser mode laser mode-locking laser mode restriction technique laser mode selection technology laser modification laser modulation technology laser monochrome photography laser multipass welding laser multiphoton ion source laser noise laser nuclear fusion laser obstacle avoidance sensor laser occupational hazard laser optics laser optoacoustic detector laser oscillating conditions laser [oscillation] condition laser oscillation condition laser oscillation threshold

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。