The principle of photo fixed-focus apparatus, GDDJ - 1, the analysis of precision and the way to improve the precision of the apparatus are discussed.
本文介绍了GDDJ-1光电定焦仪的工作原理，精度分析以及提高该仪器的精度办法。
Certain sales volume prediction model established on the basis of regression analysis method has higher prediction precision to the types of commodity that closely related to the change of seasons.
运用回归分析方法建立的某类销售量预测模型，对季节变化关联较强的商品的销售量有较高的预测精确度。
In order to improve on the low evaluation precision of the grey relational analysis model, the entropy theory was integrated with the grey relational analysis method to establish a new model.
为了改进灰色关联分析模型评价精度低的缺点，将熵值理论与灰色关联分析方法相结合，建立起基于熵权的灰色关联分析模型。
It can be seen that both the time complexity and precision are matched with those of LU resolving method through theory analysis and data experiment.
从理论分析和数据实验两方面都表明，此算法的时间复杂性和精度都与LU分解法相当。
The probabilistic model of rock and soil mechanics parameters affects the results and precision of reliability analysis and design.
岩土力学参数的概率分布类型直接影响岩土工程可靠性分析的计算结果和精度。
Through the precision statistics analysis, it identified the application range of satellite stereo image in city surveying.
通过精度统计分析，确定卫星立体影像在城市测绘方面的应用范围。
The detection limit, precision and accuracy were satisfactory and the method could completely meet the needs of analysis.
该法简便、快速、灵敏度高，检出限、精密度及准确度令人满意，完全能满足分析要求。
The precision centrifuge dynamic balancing system is composed of data acquisition, data analysis and disposal, imbalance calculation and executive part.
精密离心机动平衡系统由数据采集、数据分析处理、不平衡量的解算、执行部分等组成。
There is missing value in microarray experiments and it will affect the stability and precision of the expression data analysis.
在基因芯片实验中，数据缺失客观存在，并在一定程度上影响芯片数据后续分析结果的准确性。
According to the accuracy requirements of the analysis with the model dimension, we use the precision casting method to make the models.
应分析精度对模型尺寸的要求，采用了精密浇铸的方法制作模型。
According to the analysis of simulation results compared with BP algorithm, this algorithm has the advantage of the fine stability, fast convergence speed and high precision.
通过与BP算法的仿真结果比较分析，发现该算法具有稳定性好，收敛速度快，预测精度高的特点。
Based on the results of finite element analysis, it indicates that the analysis has a good precision and gains coincident conclusion with the test.
结果表明有限元分析具有较好的精度，与试验分析有一致的规律。
Noise reduction with wavelet analysis used in phalange recognition of computerized skeletal age assessment system can enhance the precision of skeletal age assessment.
小波去噪声技术应用于计算机骨龄评价系统中的指骨识别能提高骨龄评价的准确度。
The method meet the requirements of the residue analysis on accuracy and precision.
该方法在准确度、精密度上均达到了残留分析的要求。
The analysis precision of this method can meet the requirement of national standard.
本方法的分析精度满足了国家标准的要求。
In microarray experiments, the missing value does exist and somewhat affect the stability and precision of the expression data analysis.
在基因芯片实验中，数据缺失客观存在，并且在一定程度上会影响芯片数据后续分析结果的准确性。
It is necessary to improve the measuring precision of electric signal's base frequency, which directly influences the precision of its harmonic analysis.
由于电力信号基波频率的测量直接影响到谐波分析的精度，提高基波频率的测量精度非常必要。
The method of water quality analysis was used to evaluate the precision and accuracy of spectrophotometry.
按水质分析中的方法评价分光光度法的精密度和准确度。
The design idea, the working principle, the wave analysis, the precision analysis and the experiment effect of the sensor are introduced.
介绍了这种传感器的设计思想、工作原理、波形分析、精度分析和样机试验效果等。
Precision instruments have enhanced the quality of analysis.
精密仪器提高了分西质量。
The method almost has the similar precision and accuracy to that of chemical analysis.
该分析方法的精密度和准确度完全可与化学法媲美。
Secondly, a comprehensive analysis of the impact of precision metering pumps factor measurement and analysis solution.
其次，综合分析影响计量泵计量精度的因素，并分析解决方法。
By study the method of approximate development of surface of revolution, the mathematiccal model of approximate development, precision analysis and error correction has been gained.
通过对不可展回转曲面近似展开方法的研究，得到了回转曲面近似展开、精度分析和误差矫正的数学模型。
Two typical distributed node location algorithms were analyzed in this paper firstly, and it gave the analysis result of location precision and energy consumption.
首先深入分析了两种典型的分布式的节点定位算法，并从定位精度及能量消耗两个方面给出了定量分析结果。
Baseline solution is the key step of static GPS surveying. The precision analysis of baseline solution result under every condition is benefit to improving GPS survey precision.
基线解算是静态GPS测量中的关键步骤，对各种情况下基线解算的结果进行精度分析有利于根据观测条件改善GPS测量精度。
It also makes analysis on the indexes of precision, accuracy and detection limit.
还对此分析方法的精密度、准确度以及检出限等有关指标进行了探讨。
The results show that this method can well solve the sensitivity analysis of this trajectory, and the analysis is fast and precision.
结果表明，该方法能很好的解决了该弹道灵敏度分析问题，且分析速度快、精度高。
In data processing, the wavelet analysis was used for the differential spectral data, so the noise was reduced and the precision of analysis was improved.
在数据处理过程中，对微分光谱数据进行了小波去噪处理，使信噪比得到了增加，从而使分析精度得到了改善。
In data processing, the wavelet analysis was used for the differential spectral data, so the noise was reduced and the precision of analysis was improved.
在数据处理过程中，对微分光谱数据进行了小波去噪处理，使信噪比得到了增加，从而使分析精度得到了改善。
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