EXISTENCE AND CHARACTERISTIC RELATION OF WAVESPEED TO SURFACE ACOUSTIC WAVES ON A ROTATING PIEZOELECTRIC HALF-BODY
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- 转动压电陶瓷体表面声波的存在性及波速特征关系
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries