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| English | Chinese |
| seasonal biological rhythm | 季节性生物节律 |
| seasonal migration The periodic movement of a population from one region or climate to another in accordance with the yearly cycle of weather and temperature changes | 季节性迁移 (人口从一个地区或气候定期地迁移到另一个地区，这种移动按照天气和温度每年循环变化。) |
| seasonal pattern | 季节性模式 |
| seasonal variation In time series, that part of the movement which is assigned to the effect of the seasons on the year | 季节性变化 (在一定时间内，受到每年的季节影响而产生移动的部分。) |