[7]于福权。齿轮式气动马达结构力学有限元分析[d]。长春：吉林大学，2011。

YU Fuquan. Finite Element Analysis of Structure Mechanics of Gear Pneumatic Motor [D]. Changchun: Jilin University, 2011.

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有帐篷在伊福二号营地搭起了，我们预期第一批家庭很快就会搬入。这批家庭因为极度脆弱而获得优先权。

Tents are already being pitched in Ifo II and we expect the first families to move in soon, with priority given to the extremely vulnerable.

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P•J•福凯是位专业猎手，在公园以外的狩猎管理区持有狩猎特许权，他说马克·欧文斯对公园的野生动物产生了一种领主的感觉。

P. J. Fouche a professional hunter who manages a hunting concession in a game-management area outside the park said that Mark Owens developed a proprietary feeling about the park's wildlife.

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