surface EMG表面肌电信号surfacen.表面；外表；平面adj.表面的；肤浅的vt.在 ... 上加表层；使 ... 成平面vi.浮到水面；显露；在表面工作surface of high degrees高阶次曲面surface storage density面存储密度Surface subsidence area地表沉陷区surface ships formation水面舰艇编队surface pre-treatment表面预处理surface air observation地面观测surface finish recorder表面光洁度记录器surface mesh generation曲面网格生成surface decarburization表面脱碳surface decontamination表面净化, 表面去污, 表面解吸