南四湖浮游植物种群构成特征及季节变化_stmopen 关键词】: 浮游植物;种群构成;季节变化;南四湖 [gap=1366]Keywords】: phytoplankton; population composition; seasonal variations; Nansi Lake
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...目前趋势估计 且 其中 α 与β 为平滑常数 【参照教科书第85页，例题6】 34 时间序列资料中的季节性变异(seasonal variations)指 某种事件发生的时间序列资料呈现规则的上下反 覆变动。
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adjustment of seasonal variations 按季节变化调整
seasonal variations of the pulse 脉合四时
Seasonal variations in river flow 径流的季节性变化
seasonal variations in price 季节差价 ; 季节价格差别
seasonal variations in prices 季节差价
seasonal variations of pulses 脉合四时
ustment of seasonal variations 按季节变化调整
diurnal and seasonal variations 日变化和季节变化
Seasonal variations of the growth rate is also discussed usingcertain electron density profile model.
文中还根据比较合乎实际的电离层电子密度分布模式估算了线性增长率γ的季节变化。
参考来源 - 中性风在中低纬SpreadThe analysis on the cyclicity of the desert sediments indicates that the hydrologic cycle had undergone not only long and middle cyclic variations but also short cyclic and or seasonal variations even instantaneous changes.
根据沙漠的旋回性分析，当时水循环不仅具有中长期的变化而且具有短期的季节性变化甚至具有瞬间的变化。
参考来源 - 中国白垩纪沙漠及其古气候Soil temperature was the major regulatory factor on the seasonal variations of soil labile organic carbon.
土壤温度是影响各活性有机碳含量季节变化的重要因子。
参考来源 - 武夷山不同海拔土壤有机碳库及其矿化特征·2,447,543篇论文数据，部分数据来源于NoteExpress
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