surface gas表面气体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-catalyzed reactions表面催化的反应surface algae in the water.位于海水表面的海藻surface layer of subgrade bed基床表层surface of antennas reflector天线反射面Surface-induced coagulation表面-诱发血凝固surface durability technology表面强韧化技术surface refractivity gradient表面折射率梯度surface electromyogram signal表面肌电信号Surface hydrological elements数字水系Surface modification of laser激光表面改性