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1L decoder, d=2, 1h, hd=2
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And as for their noise-cancelling features, Mangino says "The ANC on this pair of headphones is just right, too. It isn't the best I've ever experienced, which isn't entirely surprising since the ear cups aren't particularly snug; that's great for comfort, but less effective for passive noise cancellation. But I find that its ANC easily blocks out the noise of busy city streets and the clink and clatter of my local coffee shop."，推荐阅读同城约会获取更多信息
time I found myself in central banking, the use of "high-speed" machinery for，详情可参考WPS官方版本下载