举例来说，有个新产品需要平台提供某种行为，而现存组件与要求的行为仅有略微的差别。

For example, a new product may require some behavior that is slightly different from the existing behavior of a certain component in the platform.

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这种突破一字桥形的十字飞梁，在我国现存的古建筑中是仅有的一例。

This breakthrough in the shape of the bridge cross-shaped beams, in China's existing ancient buildings is the only one example.

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据国家林业总局最新公布的调查数字，野生大熊猫现存数量在1590只左右，人工圈养的大熊猫也仅有189只，它们仍处于绝灭的边缘。

The investigation from Nation Forestry Head Office indicates that the number of wild Giant panda is about 1590, captive Giant panda is only 189, they are still faced to extinction.

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