l蘸着吃和棒杆蔬菜：胡萝卜棒子和芹菜非常的棒。
它是一个不规则形的圆碟或圆环，和一个杆或棒连接运作，使它上下或往来摆动。
It is a disc or collar with an irregularly shaped edge, which operates in contact with a rod or lever, and causes it to oscillate, or to move to and fro.
两杆桁架显示的结果，鲁棒优化方法提供高品质的结构和更大的灵活性，在解决多个方面强大的设计。
The results of the two-bar truss show that the developed robust optimization method offers high quality structure and more flexibility in addressing the multiple aspects robust design.
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