"In the best cesium fountains the largest source of error are so-called cold collisions , " Gibble explained .

吉布解释：「在最好的铯原子喷泉钟内，最大的误差来源是所谓的冷碰撞。」

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It plays important roles in many areas, such as cold collisions, cold chemical reactions, interactions of molecules with a surface, quantum computing and quantum information.

它在冷碰撞、冷化学反应、分子与表面相互作用、量子计算与量子信息等领域，具有重要的应用。

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Most manatees die from collisions with watercraft or from "cold stress" in chilly waters, Baxter said.

CNN: Algae bloom kills record number of manatees