We introduce how to apply PLC in control system of the biological cultivation room.

介绍了P LC如何应用于生物培育房控制系统。

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The air pollution and biological pollution in the stack room for ancient books can do harm to the health of ancient book librarians.

古籍书库中的空气污染和生物污染给古籍管理人员的健康造成危害，对古籍书库存在的各种危害进行了分析，并提出了预防措施。

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There are also oil painting material studio, painting imitation room, 600 square-meter biological flower-bird specimen painting studio and a picture mounting studio.

建有仿真画临摹室、 600平米花鸟画生物标本写生馆和装裱工作室为国画教学提供帮助；

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If you're worried about biological or chemical attacks, he said, consider sealing off doors and windows in a room in your house, as they do in Israel.

CNN: gas mask

They were in the room when Veronica was born, and had an "open" adoption, meaning the biological mother could and did maintain a relationship with Veronica.

CNN: High court to tackle Native American adoption dispute