年电力负荷具有稳定增长的趋势成分和随机成分。
Annual electricity load includes some steady increase trend components and some stochastic components.
为了进一步研究这种类型的时间系列，有必要提取确定性和随机成分。
In order to study further this type of time series, it is necessary to extract deterministic and stochastic components.
文章考虑网络流量非线性的特点，通过不同的数学模型将流量时间序列分解成趋势成分、周期成分、突变成分和随机成分。
According to the character of non linear network traffic, the traffic time series is decomposed into trend component, period component, mutation component and random component.
图1中所示的塞满了的气泡形成的随机性结构很大程度上与气泡大小和化学成分是不相关的。
The random structures formed by packed bubbles, as seen in figure 1, are largely independent of bubble size and chemical composition.
方法：试验采用单因素随机区组设计，定株定期进行调查测定，收获后测各器官干重、产量和主要有效成分含量。
Method: Single factor randomized block design was applied, plant samples were collected and investigated periodically, and dry weight, production and the main active ingredient content were measured.
随机脉宽调制技术可以使逆变器输出电压的谐波成分均匀地分布在一个较宽的频率范围内，达到抑制噪声和机械振动的目的。
Random pulse width modulation technique can be used to distribute voltage harmonics over a wide frequency range and to realize the reduction of acoustic noise and vibration.
方法：随机抽样104件，按照国家标准检验方法对其卫生指标和功效成分进行检测，根据国家标准和企业标准进行结果判定。
Methods: Random sampling 104 products, using national standards to test health index and functional composition, using national standards and enterprise standards to judge results.
大鼠随机分为模型对照组、丹参注射液组和四个成分外加组。
Rats were randomly divided into model group, Danshen Injection group and four component-adding group.
大鼠随机分为模型对照组、丹参注射液组和四个成分外加组。
Rats were randomly divided into model group, Danshen Injection group and four component-adding group.
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