background plate

They mainly occur in orogenic belts of various geological times and are formed during extension periods against the background of convergent plate margins.

它们主要产于各个时期的造山带中，形成于以会聚板块边界为大背景的局部引张阶段；

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Based on the definition of petroliferous basin in China, its distribution was revealed in terms of background of plate tectonics evolution, dynamics of basin formation and time of oil/ gas zone.

在界定中国含油气盆地涵义的基础上，从板块构造演化的背景、盆地形成的动力学特征、油气产层的时代等诸方面，阐明了中国含油气盆地的分布规律。

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Now comes the really boring part, you'll have to take a copy of your background plate, and place it at the top layer.

现在到了一个烦人的部分，你需要拷贝一份背景图层，将其放置在最上层。

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Rock body formed in plate extensional background and a loose stress state.

岩体形成于板内引张的应力松弛环境。

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A new method for fast segmentation of target and background in vehicle license plate recognition

汽车牌照自动识别中的目标与背景的快速分割

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