1. High education: The Hydrological Bureau requires candidates to have a professional background in hydrology, geology and environment, and obtain relevant degrees or certificates. This professional requirement raises the threshold for entering the Hydrological Bureau, and only those with relevant professional knowledge and skills can get job opportunities.

2. Importance of practical experience: In addition to academic qualifications, the Hydrographic Bureau also attaches great importance to the work experience and practical ability of candidates, which means that even with relevant academic background and insufficient practical experience, it is difficult to successfully enter the Hydrographic Bureau.

3. Hydrographic Bureau is the state administrative organ, which is divided into ministerial level, bureau level, division level and section level. Among them, the Hydrological Bureau of the Ministry of Water Resources is a public institution directly under the Ministry of Water Resources, which was formed by the merger of the former Hydrological Department of the Ministry of Water Resources and the former Information Center of the Ministry of Water Resources.