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In den Warenkorbpaperback. Zustand: New. Paperback.Pub Date:2023-02 Pages:280 Language:Chinese Publisher:Chemical Industry Press This book is based on the certification and job assessment of the ecological environment monitoring system. It is based on the monitoring technology and analysis method standards issued by the Ministry of Ecology and Environment in the past five years (2017-2021) and has compiled the certification and job assessment exercises for ecological environment monitoring personnel. This book is divided into twelve.