The utility model relates to the measuring instrument field, in particular to an electronic bubble of an automatic leveling laser product.

本实用新型涉及测量仪器领域；具体地说是自动安平激光产品中的电子水泡。

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Civil researches on it mainly focus on its using and precision appraisal etc. It is blank for work of the detail principle and concrete realization of digital leveling instrument.

国内对数字水准仪的研究，主要集中在对数字水准仪的使用和精度鉴定等方面，而对数字水准仪的详细原理及具体实现的研究，则几乎是一片空白。

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