TY - Journal of Shandong University(Engineering Science) A1 - FENG Xia, HUANG Xixiang T1 - Airport noise isoline parallel generating algorithm based on grid edge labeling Y1 - 2018-04-20 JF - Journal of Shandong University(Engineering Science) JO - Journal of Shandong University(Engineering Science) SP - 8 EP - 13 VL - 48 IS - 2 UR - http://gxbwk.njournal.sdu.edu.cn N1 - 10.6040/j.issn.1672-3961.0.2017.311 ER -