Helping the wheel bike secure stable purchase are flexible claws that provide a smooth ride and serve as climbing teeth on steep surfaces.

灵活的机械腿爪提供了平稳的骑车体验，在陡峭的表面充当攀爬齿，帮助轮形摩托获得稳定的黏附力。

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Cast on big heights, flexible, sometimes post tension, this type of concrete gives this smooth, unified, massive skin.

这种混凝土浇铸在高处，灵活有时后张，产生光滑、一致的大块表层。

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Thus, the cloisonne style is more real than the Ming Dynasty and even changing, uniform thin copper wire, wire filigree skill is smooth Wan, flexible delicate ornamentation.

因此，景泰蓝造型比明代更匀实而变化多端，铜丝细薄均匀，掐丝技艺更是丝流畅婉，纹饰灵活精巧。

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That has not always been smooth, but politicians have learned that it pays to be flexible, for example by finding ways for ministers from small parties to be excused from collective responsibility on certain sensitive issues.

ECONOMIST: Lessons from abroad