If you don't want to replace your speaker cables, or just want a little extra protection on top of the current insulation, place ferrite choke cores around each end of the cable.
如果你不想更换扬声器音频线，或者只想在现在绝缘层外面增加一些保护的话，那就在线缆的两端加上扼流铁芯。
High-fidelity speaker: the adoption of three-level waterproof protection offers high quality sound.
高保真喇叭：采用三层防水保护处理，呈现高品质音质。
The judicial practice of U. S. a indicates that the legal protection to the right of access to the media depends on the nature of the media, the identity of the speaker and the content of speech, etc.
美国的司法实践表明，接近权能在多大程度上得到法律的保护，要视大众媒介的性质、表达者的身份以及言论的内容等因素而定。
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