仍然会有偏离，这是上次讲义的，最后一页的额外几张图。

You can have deviations from, this is the extra figures that are on the bottom page of the notes from last time here.

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图1：正态概率分布函数，它表明实际的观测值可能会偏离期望值(或者平均值)。

Figure 1: Normal probability density function, which illustrates that actual observations may vary from the expected (or average).

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偏离基于遗传毒性结果图的TTC值可能是有一些原因的。

There may be reasons to deviate from the TTC value based on the profile of genotoxicity results.

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