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。
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。
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。
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。
An active layer is highlighted in the view.
激活的层会在视图中强调显示。
Make sure your active layer is' Raster 2 '.
确保你的有源层是'栅格2 '。
Make sure that the text layer is the active layer.
确定字体图层是选中的图层。
Select the "sparkles" layer so that it is the active layer.
选择“火花”层，以便它是活动层。
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。
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。
Changes of shallow layer ground temperature can indicate the changes in active layer thickness.
浅层土壤温度的变化可以指示活动层厚度变化。
These devices have optical waveguide structure, moderate doping level and active layer thickness.
该器件带有光波导结构并具有适当掺杂和有源层厚度。
Reducing input light power or increasing length and effective area of active layer, we can reduce the SOA chirp;
增加有缘层长度与有效截面面积，也有利于减小SOA的啁啾。
The dual polarization dual wavelength lasers with active layer of mixed strained layer quantum well are reported in this paper.
本文报道了以混合应变量子阱结构为有源区的激光器。
Seasonal stable snow cover has significant influence on the temperature regime of frozen ground and the variation in the active layer.
季节性稳定积雪对冻土的温度状况和活动层的变化有重要影响。
The country has chosen for competition on the services level, although SingTel will manage the active layer itself for business customers.
该国已经选择的服务水平的竞争，虽然新电信将管理活动层为企业客户本身。
Except whiter stage, the relative moisture of active layer in other four stages is generally above that of weather station in a whole day.
活动面相对湿度除越冬期外其余四个时期全天则普遍高于气象站相对湿度。
The following results are discovered: 1) In this area, its active layer has a different geotemperature oscillatory period at different depths and different time scales.
发现：1、活动层不同深度的地温具有不同时间尺度的振荡周期。
The Masks panel offers direct editing control over the shape of an active layer mask, so that you can dynamically adjust now the mask density as well as the feathering.
小组的面具编辑提供了直接的控制权形成一个活跃的一层面具，这样您就可以动态调整现在的面具密度以及羽。
The AES suggests that the interaction between gate metallization and GaAs active layer has taken place and the Schottky contact interface becomes ambiguous after stressing.
应力试验后的样品，肖特基势垒接触界面模糊，有明显的互扩散和反应发生．。
The invention discloses a method for preparing an organic field effect tube by using active layer graph. The method comprises the following steps of: coating photoresist on an insulated substrate;
本发明公开了一种采用有源层图形化制备有机场效应晶体管的方法，包括：在绝缘衬底上涂敷光刻胶；
In addition, the surface morphology of active composite layer and the interface modification between active layer and electrodes could also influence the power conversion efficiency of the solar cell.
通过对器件活性层和电极界面进行修饰和采用不同溶剂、不同给受体掺杂比例、不同活性层厚度成膜等方法对器件进行优化并研究其与器件性能之间的关系；
When a layer is active, new shapes and connectors that you create on the diagram are automatically added to the layer.
当一个层被激活时，您在图表上所创建的新形状和连接器将会自动添加至层。
For example, one layer contains the active material that releases an electron when it's struck by light and another layer contains the circuit that carries the current.
例如，放置活化材料的一层，当它被光照时，便会释放电子，而电路层则负责传送电子流。
If you've not seen Active Record — the underlying persistence layer in Rails — before, I recommend that you take a look first at this earlier Rails article in the Crossing borders series.
如果以前没有学习过活动记录——Rails底层的持久性层，我建议您先阅读跨越边界系列中以前的这篇Rails文章。
Because only one base layer can be active at a time, you can add as many base layers as you like, but the first one will be active by default.
由于一次只能激活一个基础层，所以可以随意添加很多的基础层，但默认地先激活第一个基础层。
Only one base layer can be active at a time.
一次只能激活一个基础层。
What the Vulcanism of the Cascade Mountains tells you is that this range not only has active subduction beneath it, but that the rock layer riding on top is thin.
一连串的火山山脉告诉你的是，这个山脉不仅底下有活跃的俯冲活动，而且上面的岩石层也很薄。
What the Vulcanism of the Cascade Mountains tells you is that this range not only has active subduction beneath it, but that the rock layer riding on top is thin.
一连串的火山山脉告诉你的是，这个山脉不仅底下有活跃的俯冲活动，而且上面的岩石层也很薄。
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