全部

1·Beneath this active layer is a second layer called permafrost, which is frozen all year around, and is impermeable to water.

在这一活跃层下面，是被称为“多年冻土”的第二层，终年冻结，不透水。

2·There're two reasons for this: first, they live in the active layer, which, remember, contains water that doesn't penetrate the permafrost.

造成这种情况的原因有两个：首先，它们生活在活动层中，请记住，活动层中包含的水不会渗透永久冻土。

3·The nutrients are deep down in the active layer anyway, not high up near the surface, which is the part of the active layer most affected by run-off.

不管怎样，营养物质存在于活性层深处而不是在表层附近，活性层受径流影响最大的地方。

4·Because of the cold temperatures, the tundra has two layers: top layer, which is called the active layer, is frozen in the winter and spring, but thaws in the summer.

由于寒冷的气温，冻土带有两层：最上面的一层被称为活动层，在冬季和春季被冻结，但在夏季解冻。

5·An active layer is highlighted in the view.

激活的层会在视图中强调显示。

6·Make sure your active layer is' Raster 2 '.

确保你的有源层是'栅格2 '。

7·Make sure that the text layer is the active layer.

确定字体图层是选中的图层。

8·Select the sparkles layer so that it is the active layer.

选择“火花”层，以便它是活动层。

9·Then select the stitches layer again so that it is the active layer.

再次，它是活性层，然后选择“拆线”层。

10·When you apply the Difference Clouds filter, the image data on the active layer is replaced.

当您申请时区别覆盖过滤器，关于活跃层数的图象数据被替换。