在用AR、ARMA等线性模式对气候序列进行拟合和预报时，由于气候序列中存在着非线性变化，所以拟合和预报效果往往不太理想。
Using linear regressive models (e. g. AR, ARMA model) to fit and predict the climatic time series, the results are not sufficiently good because there exist nonlinear variations in the time series.
本文采用自然正交函数分解法对我国南方地区的降水气候序列与夏季（5～8月）逐日降水序列进行时空特征分析和对应天气形势分析。
In this paper the climatology of the precipitation, the daily rainfall series of months 5-8 and the correlative weather systems are analysed.
科学家测出了玉米的基因组序列，为全世界的致力于在面对饥饿与气候变化的情况下改善玉米品种的植物育种者提供了数据。
Scientists have sequenced the genome of maize, providing data for plant breeders around the world aiming to improve maize varieties in the face of hunger and climate change.
由于受频繁人类活动和气候变化的影响，用于水资源评价计算的天然年径流量序列失去了一致性。
Owing to the effects of frequent human activities and climate change, the natural annual runoff series for water resources evaluation calculation lost their consistency.
由于受人类活动、气候等外界变化环境的影响，用于水资源评价计算的天然年径流量序列失去了一致性。
Owing to the effects of changing environment, such as human activities and climate, the natural annual runoff series for water resources evaluation calculation lost their consistency.
由于受气候变化和频繁人类活动的影响，用于水资源评价计算的年径流序列失去了一致性。
Owing to the effects of changing climate and frequent human activities, the annual runoff series for water resource assessment calculation has lost their consistency.
这在青藏高原东缘环境演化过程中，说明青藏高原第四纪冰期序列所反映的气候波动周期长、幅度大，并与高原隆升同步发生。
What happened in the environmental evolution in the eastern Tibet Plateau shows that climate change, which reflected by quaternary moraine series, has long cycle and great breadth.
并讨论了“检测”三次方时间序列模式的一些特性，揭示了当代气候的演化和突变的一些数学机制。
Finally, some mathematical mechanisms about climatic evolution and climatic catastrophe are discovered by studying the features of a censcored cubic time series model.
信息分维及其变化有望成为时间序列变化趋势和气候层次的诊断指标。
The informative fractal dimension and its moving change may become a practical analytical index for the change of flood series and the climatic levels.
由于干旱地区气候干燥、降水稀少、蒸发强烈，使得水文过程呈现出非常复杂的变化过程，水文时间序列表现出高度的非线性和不确定性。
In this region, dry climate, rare rain and strong evaporation make hydrological process show very complex change process, hydrological time series present highly nonlinear and uncertainty.
至晚冰期的年代地层序列和古气候环境，同时对沙山成因、古湖沼形成机制进行了深入探讨。
This paper, in detail, deals with the cause of formation of sand hill and formation mechanism of palaeolimnology.
开展气候研究需要长时间序列的高质量的资料。
Climate studies need long serial of historic data sets of high quality.
利用地表热源的气候学计算方程，建立了中国47个站地表热源的时间序列，分析了中国地表热源的多年变化规律。
The time series of 47 stations for the earth surface heat source in China are eslablished using the climatological equation of the earth surface heat source.
青海湖周围堆积着很多黄土和风沙沉积，这些风成沉积序列是过去气候变化的良好记录。
Loess and aeolian deposits were found in the area around Qinghai Lake. It is well known that loess is regarded as one of the best terrestrial archives of palaeoclimatic and palaeoenvironmental change.
青海湖周围堆积着很多黄土和风沙沉积，这些风成沉积序列是过去气候变化的良好记录。
Loess and aeolian deposits were found in the area around Qinghai Lake. It is well known that loess is regarded as one of the best terrestrial archives of palaeoclimatic and palaeoenvironmental change.
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