与"observation port"相近的词条

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• observation of the eyes
• observation of the face
• observation of the patient's complexion
• observation of the state of mind
• observation of the tongue
• observation port
• observation post
• observation table
• observation tube
• observation tube clamping screw
• observation tube fixing screw
• observation unit
• observation ward
• observation window
• observational
• observational bias

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