| 单词 | timescale | 
| 释义 | time·scale   (tīmskāl′) n. 1.  A period of time seen in relation to a process or a series of phenomena: "What seems most steadfast over the human life span may be evanescent on a geological or astronomical timescale" (Brian Hayes). 2.  A schedule or arrangement of events or commitments: The two nations agreed to a timescale for disarmament. | 
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