Just as it is sometimes useful to speed up to move quickly through writing with a low information density, you often need to slow down to catch the important or confusing bits.
有时候你需要快速浏览过一些信息密度很低的内容，但对于一些重要或感到困惑的内容则应该慢慢读。
Therefore, further increase of magnetic recording density is largely confined by the writing ability of the magnetic head.
因此，记录密度的继续提高，很大程度上受限于磁头的写入能力。
Along with the increase of the track density of hard disk, the accuracy of servo track writing and the difficulty of servo track writing are increased.
而且随着硬盘道密度的不断提高，对伺服信息刻写的精度要求进一步提高，增加了伺服信息刻写的困难程度。
Poetry writing requires some techniques of drawing, such as the composition of pictures, coloring, perspective arrangement, density of lines, cold or warm colors, shades, flowing, etc.
诗歌创作需要掌握一些绘画的表现技法，诸如构图、着色、透视、层次安排、线条疏密、色彩冷暖、浓淡、流动等。
Poetry writing requires some techniques of drawing, such as the composition of pictures, coloring, perspective arrangement, density of lines, cold or warm colors, shades, flowing, etc.
诗歌创作需要掌握一些绘画的表现技法，诸如构图、着色、透视、层次安排、线条疏密、色彩冷暖、浓淡、流动等。
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