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。

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Study of regularity of variation of water content in shallow layer of soil road cutting slopes in seasonally frozen-ground region;

冻胀形成的纵向裂缝和道路翻浆导致的沉陷鼓包及车辙变形是季节冻土区高速公路路基冻害的主要形式。

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The method of shallow layer seismic image is used to test a reinforced concrete dam and the test results are comprehensively analyzed.

并对某钢筋混凝土大坝采用浅层地震映像法检测的实例结果进行了综合分析。

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That work showed acoustic invisibility in a shallow layer of water, at ultrasound frequencies above those we can hear.

BBC: Acoustic 'cloaking device' shields objects from sound

The thinking is that you could bury a small reactor in a shallow layer of bedrock, perhaps 30-50 meters underground.

FORBES: Singapore Considers Underground Nuclear Reactors

The nodules typically lie in a shallow layer of silt.

BBC: UK Seabed Resources joins deep-ocean mineral-mining rush