The cleavage and schistosity acted as an axial plane role in the early generation of compressed shear fold, and changed into a slip plane in the later generation of flexural slip fold.

片理（劈理）为早世代挤压-剪切褶皱的轴面片理，又成为晚世代弯滑褶皱的滑动面；

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Buy some fold-up flatties (jewelled, preferably) that can slip into a bag so that you have no excuse not to wear a pair of heels now and again.

买几双能放进包里的折叠平底鞋(最好是宝石的)，这样你就没有理由天天穿着一双高跟鞋了。

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If it's a squeeze to slip the cardboard inside, fold it a bit. Don't worry, it will flatten out and will still be supportive.

如果放入时有点紧可以将它稍微折弯一点，放心它还会展开的，不会影响支持效果。

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The headphones fold flat to slip easily into a briefcase or bag, a storage feature that will appeal to travelers.

ENGADGET: Harman Kardon trots out five iPhone-matching headsets, keeps you in high Apple fashion

Well one of those poor souls must have grown up to become a product designer bent on saving future generations from such cruel torture, and the result is a portable "bonfire" that you can fold up and slip into a knapsack or strap onto your pack mule.

ENGADGET: Bonfire, the Tripod Burner: all the fun of a cookout with none of the work

They have repeatedly argued that Ukraine should not be allowed to slip back into Russia's fold.

ECONOMIST: Ukraine��s two minds