殆下界的定义与殆上界是类似的。

An almost lower bound is defined similarly as an almost upper bound.

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将打开以下界面（见图3）

This opens the following screen (see Figure 3)

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注意：任一维的下界都是0。

Note: The LBound for any dimension is ALWAYS 0.

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在许多情况下，新的下界有所减少，它的选取简便有效。

The new lower bound will decrease, and its selection is easy and effective.

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在许多情况下，新的下界有所减少，它的选取简便有效。

The new lower bound will decrease, and its selection is easy and effective.

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