盖层

Denuded by the Indochina movement, the core of the palaeohigh has no cap rocks like the J4 gyprock.

古隆起曾遭受早印支运动强烈剥蚀，已无嘉四段良好石膏岩作盖。

The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

结果表明，不同背衬对吸声覆盖吸声性能影响具有明显不同特性。

The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.

花粉壁外壁分为外和内，外包括覆盖、基粒棒和基足等三，内只包含一。

BlueStar cleaning technology uses BlueStar series of cleaning agent eliminate the dirt and cover on the object surface by the technique of degrease, derust and passivation.

蓝星化学清洗技术是利用蓝星系列清洗剂通过脱脂、酸洗除锈、钝化等工艺去除被清洗物体表物或覆盖。

In the case of mudstone to be a source rock, the uncompacted mudstone would have a strong capability of hydrocarbon concentation sealing to seal gas in diffusive phase.

本文在研究盖封闭油气机理基础上,分析了欠压实泥岩在封益油气中作用。