盖层

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

古隆起核部因曾遭受早印支运动强烈的剥蚀，已无嘉四段良好的石膏岩作盖。

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的有明显不同的特性。

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

花粉壁的外壁分为外和内，外包括覆盖、基粒棒和基足，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、钝化工艺去除被清洗物体表面的污物或覆盖。

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的基础上,分析了欠压实泥岩在封益油气中的作用。