DWI上的异常高信号区随时间推移，逐渐增大。

The abnormal high signal intensity area of DWI became enlarged with the time coursing.

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实际上，你很少需要用到这么多的流量，除非你持续在强信号区下载电影。

In practice though, you're going to find it hard to hit that unless you're constantly in very high signal areas downloading movies.

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目的：探讨腰椎间盘MRI高信号区与椎间盘源性下背痛的相关性。

Objective: To explore the relationship between lumbar disc high signal area in MRI and lumbar intervertebral low back pain.

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