Folds of rock layers that have similar mechanical properties or competence tend to be harmonic, with little change in fold shape, symmetry or wavelength from one layer to the next.

相似力学特性质或强岩层的褶皱趋于成为谐调的褶皱，在褶皱形态上、对称性上、或者从一层到下一层的褶皱波长上没有什么变化。

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We can love the look but, in an online environment, we cannot feel the quality of a texture, the shape of the fit, the fall of a fold or the weight of an earring.

我们会喜欢该外观，但在网络环境中，我们无法感觉到质地的质量、合身的形状、褶皱的下垂或耳环的重量。

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We can love the look but, in an online environment, we cannot feel the quality of a texture, the shape of the fit, the fall of a fold or, for that matter, the weight of an earring.

我们会喜欢它们的外观，但在网络环境中，我们感觉不到质地、形状、褶皱，以及在此状况下，感受不到一只耳环的重量。

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Children of the current generation will be poorer for it if they never get to linger over a vast paper map and then try in vain to fold it back into its original shape.

WSJ: Lost in Our Maps: A History of Cartographic Catastrophes

Researchers in the US are also working on a shape-shifting device that uses magnets to mimic molecules that fold themselves into complex shapes.

BBC: Future tech: Smart fabrics and other forecasts