Both models feature super cardioid patterns for high gain before feedback and increased rejection of off axis sound.
这两种型号均采用了前反馈和健全的离轴增加抑制高增益超心形图案。
The cardioid pickup pattern minimizes annoying feedback when used close to sound reinforcement speakers and monitors, while reducing the pickup of unwanted off axis sounds.
最小的心形拾音模式使用时，恼人的反馈接近扩声音箱和显示器，同时减少不必要的离轴声音回升。
Because of the coupling between surface channel and SOFAR channel, sound propagation in two, axis underwater channel is complex and calculation of acoustic fields is difficult.
由于表面声道与深海声道间的耦合效应，声波在双轴海洋声道中的传播比较复杂，因此求解双轴海洋声道中的声场就比较困难。
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