Conclusions: 1 the stress is concentrated in alveolar bone crest and apex area of the maxillary anterior teeth while they are in tipping movement.

结论：1倾斜移动内收上颌组牙时，各个牙的牙槽嵴顶部和根尖部都有明显的应力集中区域。

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Now that German growth has stumbled, the euro area is on the verge of tipping into its third recession in six years.

德国经济增长失速，欧元区正处在陷入6年内第三次衰退的边缘。

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Now that German growth has stumbled, the euro area is on the verge of tipping into its third recession in six years.

德国经济增长失速，欧元区正处在陷入6年内第三次衰退的边缘。

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