The uniform design table U12(12~3) is used for the four members system.

在四元体系的研究中全部采用了U12（12~3）的均匀设计表。

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The uniform design table U12(12~3) is used for the four members system.

在四元体系的研究中全部采用了U12（12~3）的均匀设计表。

youdao