Precision analysis of earthwork count using square grid method[J]. Guangdong Agricultural Sciences, 2010, (2): 219-221. DOI: 10.3969/j.issn.1004-874X.2010.02.072
    Citation: Precision analysis of earthwork count using square grid method[J]. Guangdong Agricultural Sciences, 2010, (2): 219-221. DOI: 10.3969/j.issn.1004-874X.2010.02.072

    Precision analysis of earthwork count using square grid method

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