unit sample

MaxEnt should be used with caution because of some restrictions, including sampling area at the anchor scale, sample plot number, historical disturbance factors, evenness of species distribution and heterogeneity of sample unit.

同时，在使用最大熵方法的时候必须注意一些影响其估计精度的限制性条件，包括锚定格局上的取样面积、调查的样方数目、历史干扰因素、物种分布的均匀程度及取样的异质性。

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Unit-Root-Testing results show that Chinese quarter data of the tool variables of monetary policy and multi-variables of macro-economy are non-stationary and contain a Unit Root in our analytical term of sample.

单位根检验结果显示，在我们分析的样本期内，我国货币政策工具变量与宏观经济变量季度数据均是含有一个单位根的非平稳序列。

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The analyser or sensing unit contains the sample-injection valve.

分析和传感单元内有注样阀.

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The sample enters the boiler unit.

试样进入蒸发器.

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This article introduces the status quo of linear stepping electric motor and research content of this topic, then discusses the development of linear stepping motor drive unit and general situation of the researched sample unit, furthermore supply the detailed introduction to DSP controller.

本文首先对直线电机的发展情况以及本课题的研究内容进行了介绍，然后讨论了直线步进电机驱动器的发展和本文所研究的样机的概况，接着对DSP控制器作了详细地介绍。

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