separated layer

基本解释

The main navigation appearing on the start page is embedded into the photo, but at the same time arranged in a clearly separated layer above the image.
主要的导航嵌在了图片中，但是通过在图片上新加一层使得导航可以很清楚的被发现。
The relations between the spread height of separated layer and the advance distance of mining work face and the time effect of separated layer form generation, maximum to disappear has been discussed.
探讨了离层发展高度与工作面推进距的关系、单一离层从产生到最大值直至消失的时间效应等规律。
In this paper, the space-time laws of the separated layer generation, development and distribution in coal mine overburden are given out through the similar material simulation test study.
通过相似材料物理模拟实验研究，揭示了煤矿区采动覆岩中离层产生、发展与分布的时空规律；

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