四级生物安全实验室建设和运行的核心是净化系统。
The core of the construction and operation of the P3 and P4 biosafe laboratory is the purification system.
英国拥有15所“四级防护实验室”，即最高生物安全级别实验室。
In Britain, there are 15 "Containment level Four" laboratories, the maximum biosecurity level, across the country.
英国拥有15所“四级防护实验室”，即最高生物安全级别实验室。
In Britain, there are 15 "Containment level Four" laboratories, the maximum biosecurity level, across the country.
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