Natural weathering rates are limited by, among other factors, the exposed surface area of chemically reactive rock.

自然风化的速度受进行化学反应岩石的接触表面积等因素限制。

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The exposed surface of the structure shall be even, and shall be free from honeycombs, pitting surface, exposed reinforcing bars and cavities.

结构物外露的表面应平整，无蜂窝、麻面、露筋及空洞。

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The paper presents a novel technique to measure the stress strain response at the exposed surface of propellant grain using a miniature-testing device.

本文提出一种利用小型实验装置测量推进器药柱表面应力应变响应的技术。

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Electrostatic self-assembly, however, coats every exposed surface of an object, and does it at room temperature.

ECONOMIST: MONITOR

Once the microscope has taken a picture of the exposed surface of the chunk, the slicer peels away a layer 25 billionths of a metre thick, revealing a new surface for the next shot.

ECONOMIST: Connectomics aims to map the atlas of the brain

Absorption is particularly fast in cold water so the Arctic is especially susceptible, and the recent decreases in summer sea ice have exposed more sea surface to atmospheric CO2.

BBC: Arctic Ocean 'acidifying rapidly'