背斜（Anticline）指岩层发生褶曲时，形状向上凸起者。在一般平地上，背斜的地层上半部受到侵蚀变平，会形成中间古老，两侧较新的地层排列方式。
n. anticline
misc. upper bend
台背斜 anticlise ; [地质] anteklise
复背斜 [地质] anticlinorium ; anticlinoria ; composite anticline
背斜轴 [地质] anticlinal axis ; anticline axis ; axis of anticline
背斜脊 anticlinal mountain ; anticlinal ridge
背斜谷 [地质] anticlinal valley
背斜层 anticlinal strata
地背斜 geoanticline ; [地质] geanticline
背斜翼 anticlinal limb ; anticlinal flank
背斜带 anticlinal zone ; anticlinal belt
军人坐在火炉后面，舒舒服服地把椅背斜靠在墙上，伸手在背心口袋里摸羽毛梗牙签。
The Grand Army man sat down behind the stove and tilted his chair back comfortably against the wall, fishing his quill toothpick from his waistcoat pocket.
圈闭类型主要为背斜圈闭及单斜圈闭。
因盐体塑性流动形成的构造圈闭类型主要有盐脊背斜、盐丘背斜、盐边向斜等。
The salt flow resulted in several kinds of structural traps mainly including salt ridge anticline, salt dome and salt edge syncline.
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