When doing the empirical analysis with the Panel-Data model, it is crucial to set the form of model correctly, because the sample data includes the information of individual, time, and so on.
在运用面板数据模型进行实证分析时，由于使用的样本数据包含了个体、时间、指标三个方向上的信息，因此模型形式的设定非常关键。
For the low positive sample, we recommend that a concentration be selected that, upon statistical analysis, would lead to the rejection of an assay run 1 percent of the time.
对于低水平阳性样品，我们推荐根据统计分析来选取可导致检测批出现1%拒绝率的浓度水平。
The molten steel sampler has the advantages that: the molten steel sampler makes a sampled sample be convenient for spectral analysis, reduces the grinding time and improves the accuracy.
有益效果是该钢水取样器使取成试样便于光谱分析，减少磨研时间，提高准确性。
Conventional methods for the elemental analysis of materials often require a contact to the specimen and a time-consuming mechanical sample preparation.
材料中元素的传统分析方法需要接触样品，并通常需要耗时的样品机械制备步骤。
This thesis discusses period analysis methods of hydrological time series, and compares them from theory, measured sample calculation and Monte-Ca.
本文从理论基础、实测样本计算和统计试验方法三个方面对水文时间序列的周期分析检测方法进行了分析研究。
Traditional methods for sample preparation and data analysis can be extremely time consuming with numerous opportunities for error.
传统的样品制备和数据分析方法非常耗时，并更易出错。
Small sample volume shorten analysis time and improved analytical precision are obtained for the on-line procedure.
大大减少了所需的样品量和分析时间，提高了分析结果的精密度。
A new analysis method based on theoretical statistic models was proposed to analyze finite word-length effect, instead of the complicated and time-consuming sample statistics process.
理论统计模型分析的新方法的基础上，提出了有限字长效果进行分析，而不是复杂和费时的样品统计过程。
Under atmospheric pressure, DART MS method does not require any sample preparation, greatly reduces the analysis time, realizes the in situ, rapid, accurate, and high-throughput analysis.
实时直接分析质谱法在大气压下进行，无需对茶叶进行任何的样品处理，大大缩短了分析时间，实现了原位、快速、准确且高通量的检测。
Under atmospheric pressure, DART MS method does not require any sample preparation, greatly reduces the analysis time, realizes the in situ, rapid, accurate, and high-throughput analysis.
实时直接分析质谱法在大气压下进行，无需对茶叶进行任何的样品处理，大大缩短了分析时间，实现了原位、快速、准确且高通量的检测。
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