Massive internal bracing tailors the volume of each enclosure to the exact parameters of its drive unit and minimises any residual panel resonance.

结实的内部拉条专为每个音箱内的容量定制，完全符合驱动单元的参数要求，并将残留的壁板谐振降到最低。

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Two parameters are used to specify the characteristics of a BPF: passband centre frequency and resonance bandwidth.

带通滤波器的特性通过两个参数表示：带通中心频率和共鸣带宽。

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Such problem as to determine the pre-irradiation grafting process parameters is analyzed with Electron-Spin Resonance (ESR).

为了便于确定真丝绸预辐照接枝的工艺参数，采用电子自旋共振技术对这些问题进行分析。

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