基本解释单向结构同根派生 SPUDT相关词英汉例句Because of SPUDT's characteristic.It is very useful to design wide-band low loss SAWF using tapered EWC- SPUDT transducer； 由于SPUDT的特性，把EWC型的SPUDT引入到锥型换能器对制作宽带、低损耗器件是十分有用的；SPUDT更多例句