wave offv.挥手(告别)waven.波浪；波纹；波v.挥动；飘动wave flume experiment水槽试验wave-velocity meter波速计wave-type seal tape波形花纹带wave velocity surface波速面wave-type sprinkler喷头间歇转位式喷灌器wavelet base function小波基函数wavelet pack analysis小波包分析wave propagation line波浪传播线wave process analysis波动过程分析wavelet factorization小波分解