因此，低音炮系统平滑过渡到中低音区域的能力对于实现顶级的高保真至关重要。

For this reason, the ability of a subwoofer system to smoothly transition to the mid-bass region becomes very important to achieving top-notch fidelity.

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背景：动脉内膜平滑肌细胞内常常有胆固醇的过多聚集，这对于粥样硬化病变区域中泡沫细胞的形成具有重要作用。

Background: Accumulation of excess cholesterol by intimal arterial smooth muscle cells (SMCs) contributes to the formation of foam cells in atherosclerotic lesions.

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总的来说，JPEG对于照片和其他平滑变化的图片较好，GIF和PNG对于由颜色，线和文本构成的平面区域图像艺术较好。

Generally speaking, JPEG is best for photographs and other smoothly varying images, while GIF and PNG are good for graphics art involving flat areas of color, lines and text.

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