Figure 7b shows how you can create hard edges by using 24 normals, 4 per side.

图7 b展示了如何为每边使用4条法线——共24条，从而创建棱角分明的边线。

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A blanket of snow softens a city's hard edges. It quiets loud noises.

一层白雪会软化城市的棱角，让嘈杂的世界安静下来。

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It turns a dirty city into a winter wonderland overnight. A blanket of snow softens a city's hard edges. It quiets loud noises.

它会让一座肮脏的城市一夜之间变为冬季仙境。一层白雪会软化城市的棱角，让嘈杂的世界安静下来。

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In particular, they turn off independents, who by nature tend to hate the hard edges of politics.

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Dr Djerassi credits the Pill with pushing him beyond the hard edges of chemistry to consider the softer (ie, social and ethical) dimensions of new technology.

ECONOMIST: LAST WORD: Godfather of the Pill | The

In short, you'll be hard-pressed to find any hard edges.

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