If a layer is locked, it cannot be edited on the diagram, although shapes on locked layers will be updated when there are changes in the model.

如果一个层被锁定的话，那么您就不能在图表上编辑层了，尽管档模型发生变化时，锁定层上的形状仍然可以进行更新。

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The answer may be that virtually all the water on Mars is now locked in the permafrost layer under the surface, with more contained in the planet's polar caps.

答案可能是，现在火星上几乎所有的水都被锁在地表下的永久冻土层中，更多的水被包含在这个星球的极地冰帽中。

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Double-click on the default Background layer, which will be locked and uneditable;

双击默认的背景图层，原本是锁定的和不能编辑的；

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The problem was that (gas) was locked in shale, the extremely dense layer of rock under Dallas and Forth Worth.

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Historically, hardware divisions have been slow to recognise that this is not actually how customers buy products, and locked-down systems are slow to take advantage of the translation layer provided by smartphone and tablet apps.

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