查询词典 sound bandwidth

It features ultra-low noise import pulp Senate carbon fiber, rigid speaker cone greatly strengthened, the effective bandwidth within a more flat frequency response, the unit used aluminum frame and aluminum wire voice coil. Shaker skeleton of the United States military material, light weight, high efficiency, so that the audio sound pressure increased significantly.

超低音單元採用進口紙漿參碳纖維，紙盆剛性大大加強，在有效的頻寬內有更平坦的頻率回應，單元採用鋁盆架和鋁扁線音圈，音圈骨架為美國軍事物料製造，品質輕，效率高，使音頻的聲壓大幅度提高，更具爆發力，靈敏度極高，低音磁路採用高效率的冷卻系統，保證了。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。