Utilizing the stretch and fold mechanism, an invertible map set based image encryption algorithm is proposed.
利用拉伸和折叠的原理，提出了一种可逆映射集合的图像加密算法。
The ones you select get compiled into a handy guide, with all your destinations plotted on a map that you can fold up and put in your pocket while you sightsee.
你可以根据行程把各种信息汇编成口袋指南，附带标注所有地点的地图。这样在观光时，就能把指南装进随身口袋。
Without late tectonic deformation, the features of recumbent fold on the geological map would be the same as those of horizontal strata.
平卧褶皱若未经后来构造变动，其图面特征与水平地层区完全一样，除了褶皱转折端以外，只是一系列平行等高线的地质界线。
Without late tectonic deformation, the features of recumbent fold on the geological map would be the same as those of horizontal strata.
平卧褶皱若未经后来构造变动，其图面特征与水平地层区完全一样，除了褶皱转折端以外，只是一系列平行等高线的地质界线。
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