There are many factors affecting the heat effect, and the earth surface cover is the key one.

影响城市热环境的因素有很多，其中地表覆盖类型是热效应影响因素中较为重要的一个。

youdao

As shed-tunnel often has low depth and thin surface cover, it's easier to be damaged in earthquake.

由于棚洞的埋深很浅，覆盖土厚度薄，地震时往往产生破坏。

youdao

Polyester, aramid, ceramic and fiberglass fabrics can be embedded in the body of the product or as a surface cover.

涤纶，芳纶，陶瓷和玻璃纤维织物可以在产品的表面嵌入或覆盖。

youdao

Drop several seeds over the surface of the pot and cover with a thin layer of vermiculite, a substance that can hold air, water and nutrients.

VOA: special.2009.04.21

Drop the seeds over the surface and cover them lightly with soil.

VOA: special.2009.04.28

As many as twenty tectonic plates cover the Earth's surface.

VOA: special.2009.07.07

It feels restrictive when transitioning from a full-sized keyboard, or even from the roomy Surface Touch Cover.

FORBES: First Impressions: ASUS Vivo Tab RT

Water hyacinth grows into a thick bed of waxy leaves and violet flowers that cover the surface of the lake.

CNN: Flower power threatens Kenya's Lake Victoria

Using a similar approach, the firm wants to cover the surface of a bottle with hydrophilic (water-attracting) and hydrophobic (water-repellent) materials.

BBC: Namib Desert beetle inspires self-filling water bottle