这一转变说明了在倭王权向古代皇权转变的过程中，大陆移民的自由度下降了，而古代王权的独立性增强了。
The change reflects the independence of ancient Japanese imperial power has been strengthened while the freedom of the ancient Chinese immigrants receded.
机构对称的三移两转五自由度并联机构尚属空白，本文基于约束综合理论首次提出了该类型的机构样填补了该项研究的空白。
The type synthesis for 3r2t 5-dof parallel mechanism with symmetrical structure is still a blank. This study first proposes a mechanism example for this type and fills the blank.
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