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- 160/230/352毫米Schmidt望遠鏡的設計和製造THE DESIGN AND MANUFACTURE OF 160/230/352 mm SCHMIDT TELESCOPE
- 方法選取某化纖企業352名雜訊和高溫作業人員為觀察組,263名同廠非雜訊和高溫作業人員為對照組,採用現場調查、環境監測和職業性體檢的方法進行現場和健康情況的調查。[Methods] 352 noise and heat-exposed workers in a chemical fiber enterprise were taken as the observation group and 263 non noise and heat-exposed workers in the same factory were taken as the control group.
