base levelling
常见例句
- The short-base levelling data at Zhangdaou is analysed by the moving AR spectrum analysis.
用滑动AR 谱分析方法对唐山地震前后的张道口短水准资料进行了分析。 - The total amplitude of anomaly is about 2mm (the base line of the short levelling is 26 meters).
总异常幅度约为2毫米左右（短水准基线为26米）。 返回 base levelling