The simulation model has a virtue of strong stability for there is not any derivation step in the model.

由于模型中不含有任何求导环节，所以有较强的稳定性。

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Verify that your transformation appears similar to Figure 9, which illustrates the mapping between the input and output links (generated in Step 2) as well as the derivation that you edited in Step 4.

确保您的转换类似于图9，它演示了输入和输出链接之间的映射(在步骤2中生成)，以及您在步骤4中编辑的派生(derivation)。

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In this paper we explicitly determine the derivation algebras of a class of 3-step nilpotent Lie algebras, and obtain some properties of the derivation algebras.

具体确定了一类中心为二维的三步幂零李代数的导子代数，得到了导子代数的一些性质，并证明了这类幂零李代数是可完备化幂零李代数。

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