1.
impermeable barrier
不可渗透层;不渗水层;不渗透遮挡层;不透层;不透水隔层
2.
differential transparency of atmosphere
不同层次的大气透明度
3.
relative ionospheric opacity meter
相对电离层不透明度仪
4.
The external layer of the skin is relatively impermeable to water.
皮肤的外层不透水。
5.
An aquiclude stores water but does not transmit significant amounts.
一个不透水层只存水但不能大量导水。
6.
Water pressure outside pressure tunnel under water-tight layer and effective stress of seepage
不透水层压力隧洞外渗透压力和渗流有效应力
7.
Bring this layer to the top and set to Overlay at 75 opacity.
置为顶层，设为叠加，不透明度75%。
8.
Duplicate the layer again and set it to screen at 50 opacity.
复制图层，设为滤色，图像不透明度50%。
9.
Research on the Deuterium Permeation Characteristic of Stainless Steel Coated with Al Barrier Film;
渗铝涂层不锈钢氘渗透特性实验研究
10.
Model Test Research about the Fixing Methods of Tunnel s Water-tight Layer;
隧道不透水层确定方法模型试验研究
11.
The Analysis of Rural Household s Insufficient Requirement for Technique;
我国农户科技需求不足的深层次透析
12.
A battle is a veil through which it is not wise to peer.
战役是一层面纱，透过它盯着看是不明智的。
13.
Construction of Deep Groove Integration Precipitation in the Soft Soil Containing Impervious Interlayer
含不透水隔层软土中深沟槽综合降水的施工
14.
When rain falls, the loess particles on the surface layer swell and form a crust that is almost impermeable to water.
降雨时，表层的黄土粒就发生膨胀并形成一层几乎是不透水的表皮。
15.
A coating of colored, opaque, or transparent material applied to ceramics before firing.
釉料烧制陶器前附在陶器表面上的一层着色的、不透明或透明的材料
16.
Along with age increase of vegetation, ability of water retention in shallow layer soil increased, and an anti-water layer was formed.
随着植被年龄的增加,浅层土壤截留降雨能力不断加强,最终形成不透水土层。
17.
Levels of Comparison in Educational Studies: Different Insights from Different Literatures and the Value of Multilevel Analyses;
教育研究中的比较层次:对不同文献的不同透视及多层次分析的价值
18.
An aquitard stores water and transmits enough water to be regionally significant but not enough to supply individual wells.
弱透水层存水且区域性地传导大量水，但不能充分供给每个井。