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radiation protection supervisor：辐射防护监督人员

radiation protection superviser 辐射防护监督 | radiation protection supervisor 辐射防护监督人员 | radiation protection survey 辐射防护测量

radiation protection standard：辐射防护标准

radiation protection regulation 辐射防护管理 | radiation protection standard 辐射防护标准 | radiation protection superviser 辐射防护监督

protection against silicosis：防止矽尘危害

protection against rust 防锈 | protection against silicosis 防止矽尘危害 | protection against stray pollen 防止飘来花粉

trade secret protection：商业秘密保护

农产品贸易保护:Agricultural trade protection | 商业秘密保护:trade secret protection | 商业秘密保护:trade secrets protection

transient current protection：暂态电流保护

电流纵差保护:current differential protection | 暂态电流保护:transient current protection | 零序电流保护:Zero-sequence current protection

Health protection zone standard for sodium sulphuret plant：硫化碱厂卫生防护距离标准

水泥厂卫生防护距离标准 Health protection zone standard ... | 硫化碱厂卫生防护距离标准 Health protection zone standard for sodium sulphuret plant | 油漆厂卫生防护距离标准 Health protection zone standard...

a protection against the sun：遮阳的装置

e. g. a protection against rain 雨具 | a protection against the sun 遮阳的装置 | various protection against fire 各种防水装置

protection against shock wave of nuclear explosion：核爆炸冲击波防护

protection against radon 氡防护 | protection against shock wave of nuclear explosion 核爆炸冲击波防护 | protection against thermal radiation of nuclear explosion 核爆炸光辐射防护

fire protection tree：防火树

fire protection system 消防系统 | fire protection tree 防火树 | fire protection wall 防火墙

Health protection zone standard for making glue plant：制胶厂卫生防护距离标准

肉类联合加工厂卫生防护距离标准 Health protection zone standard... | 制胶厂卫生防护距离标准 Health protection zone standard for making glue plant | 缫丝厂卫生防护距离标准 Health protection zone standard...

genetic recombination：遗传重组

第三节基因重组和基因杂交基因重组(gene recombination) 遗传重组(genetic recombination):两个独立基因组内的遗传基因,通过一定的途径转移到一起,形成新的稳定基因组的过程.

d-c restorer：直流分量还原器

d-c reinsertion 直流成分恢复 | d-c restorer 直流分量还原器 | d-c ringer 直流电铃