For the Earth to maintain a constant average temperature, such emissions from the planet must balance incoming solar radiation.

为了使地球保持恒定的平均温度，来自地球的这种辐射必须平衡入射的太阳辐射。

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That is, the large bulk of the animals would have allowed them to maintain a fairly constant temperature even without a high metabolism.

也就是说，这些庞然大物即使没有较高的代谢水平，也能保持一个相当恒定的温度。

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B. Maintain rammed earth with minimal moisture loss at relatively constant temperature for period necessary for hydration of cement and hardening of rammed earth.

在相对稳定的温度下，确保夯实墙的最小湿度，以保证水泥的水化和夯实墙的硬化。

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The entire process takes place in near-freezing conditions and such plants are usually built with large amounts of flammable foam insulation to maintain a constant temperature.

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