鸡蛋的有限元分析结果表明，鸡蛋在长轴方向承载时所产生的应力比短轴方向要大，蛋型指数对应力有一定的影响，与试验结果相一致。

The results of finite element analysis shows that the stress along long axis is bigger than short axis, egg shape index has a great impact on the stress when loaded.

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方法30例健康志愿者。获取标准心尖两腔、长轴、四腔观，应用解剖M-型超声技术定量测量心肌各节段的运动幅度。

Methods Standard apical two-chamber, four-chamber and long-axis views of 30 healthy volunteers were acquired and the wall motion amplitudes of each segment were measured.

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