echo box
英 [ˈekəʊ bɒks]
美 [ˈekoʊ bɑːks]
n. 回波（空箱）谐振器；回波谐振腔；回波箱
双语例句
- According to gear sifting's vibration and noise spectrum, using inverted frequency spectrum analysis technology of vibration noise signal to have the method of rejecting echo and synthetic analyzed actual measured signal, provided the base for gear shifting box fault of air press.
根据空压机齿轮变速箱振动和噪声谱，应用振动、噪声信号的倒频分析技术给出了剔除反射回声方法，并综合分析了实测信号，为空压机齿轮变速箱故障分析提供了依据。 - Simultaneous bottom characteristics surveys were made by using dual-frequency echo sounder and box corer in an experimental sea area, and the bathymetric data and samples for different types of bottom material were obtained.
在典型的实验海区，使用双频测深仪和箱式取样器，对海底进行同步探测，获取双频测深仪不同底质类型数据。