然而现在，一种新型的钢已经被开发出来，它可以在更低的温度下抵抗断裂，同时保持其强度和韧性，而不需要昂贵的添加剂。

Now, though, a novel type of steel has been developed that resists fractures at much lower temperatures, while retaining its strength and toughness—without the need for expensive additives.

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然而，这栋房子是由混凝土制成的，混凝土在当时是一种新型建筑材料。

This one, however, is made of concrete, a novel construction material in those days.

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然而，考虑面部立体感的新型3-D解决方案有望克服那些难题。

However, new 3-D solutions that take facial depthinto account promise to overcome those problems.

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