Zoning-method is usually applied to correct water-level in water-depth survey in tide-sensitive areas.
水深测量中感潮水域通常采用分带法进行水位改正。
Depth survey of primary and secondary schools in the area of music cognition and music classes and extracurricular activities, attitudes and participation.
深入考察该地区中小学生对音乐的认知以及音乐课堂与课外活动的态度与参与程度。
The principle of depth survey system by photoelectric encoder for oil well logging, the systems composition and its specific hardware circuit are introduced.
介绍了石油测井深度光电编码器测量系统的测量原理、系统组成以及电路分析,同时在对系统误差分析的基础上给出了具体校正方法。
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