Parallel linear cracks are also observed along the crater wall over the gullies, which could be due to thermal contraction of ice-rich material.

在陨石坑口壁上也发现了并行线一样的裂缝，这可能是由于含冰物质热收缩现象造成的。

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A large number of ice wedges have been found active in the environment that convertionally would be regarded as too warm for thermal contraction cracking and ice wedge development.

在过去认为不会有冰楔活动的地区，发现了新生的和正在活动的冰楔。

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The effects of thermal circling on the curve of heat expansion and cold contraction are investigated.

研究了热循环对铝基复合材料热膨胀和冷却收缩曲线的影响。

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The probe was repeatedly turned towards and away from the sun, in the hope that thermal expansion and contraction would free the antenna, but to no avail.

ECONOMIST: The long arm of the celestial repairman