传统的结构优化设计一般都是考虑单目标。
Only a single objective is considered in the traditional structure design.
英语动物名词中一部分没有数的标记形式，传统上把他们归为单复数同形的名词。
In English, some animal names don t have their marked forms of the number.
英语动物名词中一部分没有数的标记形式，传统上把他们归为单复数同形的名词。
In English, some animal names don t have their marked forms of the number.
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