| 1. | The surface shows deep rill－like folds .
表面有深沟槽状起伏褶皱。 |
| 2. | Folds commonly show a pairing of crests and troughs .
褶皱通常显示出成对的脊与糟。 |
| 3. | This silk drapes beautifully .
这块丝绢有美丽的褶皱。 |
| 4. | The rocks were folded by collapsing into the center of the trough .
岩石由于坍陷进入凹槽的中心而发生褶皱。 |
| 5. | Folds may be gentle and symmetrical, or sharp and asymmetrical .
褶皱可以是平缓而对称的，也可以是陡峭而非对称的。 |
| 6. | Exaggerated sections distort the shapes of folds as well as bed thickness .
比例放大的剖面歪曲褶皱的形态和岩层厚度。 |
| 7. | They said that there was likely to be oil in the crests of folds of rock layers .
他们认为在岩层褶皱的顶部可能会有石油。 |
| 8. | This sediment will then probably be formed into a folded and imbricated structure .
然后这些沉积物可能形成褶皱和叠瓦构造。 |
| 9. | Sedimentation ceases: tilling or folding is accompanied or followed by uplift .
沉积间断，即掀斜或褶皱伴生或伴随着抬升运动。 |
| 10. | In view of the variation in the dip, here could be a local anticlinal fold .
鉴于倾斜方向的变化，此地可能存在一个局部的背斜褶皱。 |
