The effect of rules and the accuracy distribution of word extraction of RMMFS and BMMFS in different text size and word frequency are studied. Experiments show that BMMFS can get better result.
实验研究了抽词准确率受规则的影响及随文本大小和词频变化的分布,结果表明BMMFS可以取得更好的抽词效果。
Moreover, for industries dealing with trading, speed, accuracy, and quality of transmission and distribution of information became one of the major success factors.
此外,对于行业来说,处理交易、速度、准确性、传输质量,以及信息的分发成了一个重要的成功因素。
Study flow units, the significance is increase accuracy of reservoir description and delimit distribution of residual oil, etc.
流动单元的研究,对于提高油藏描述的精度、确定剩余油的分布等具有重要意义。
With more power cable application in transmission and distribution systems, the higher demand of cable fault location accuracy is necessary for reduction of the power cut loss.
电力电缆日益广泛地应用于输配电系统,为了减少电缆故障停电损失,对电缆故障测距的精度要求越来越高。
From this point, we can establish a set of reasonable methods about selecting prior distribution and estimate its accuracy with the help of existed methods in statistics.
从这一角度出发,就可以借助统计学中已有方法,建立一套关于先验分布选取的合理方法,同时能估计其精度。
Suspension particle size distribution in produced water (PSD) can better represent the separation accuracy of treatment facility, and is of index significance.
出水中悬浮颗粒物的粒径分布(PSD)更能代表处理设施的分离精度,因而更具有指标性的意义。
The flow distribution result of actual combined ring verify the accuracy of this calculation method.
实际合环的潮流分布结果验证了该计算方法的准确性。
Through setting up reasonable earth-electricity model, the distribution problem of electrical potential in uneven medium is resolved and system detection accuracy is improved.
通过建立合理的地电模型,解决了非均匀介质条件下的电势分布问题,进而提高了系统的检测精度。
According to the theory of bearing forces and deformations this paper gives distribution laws of the shearing stresses in the side fille welds of overlap connection with comparative accuracy.
依据受力与变形理论较为精确地给出了搭接接头侧面角焊缝中的剪应力分布规律。
The key to increasing accuracy of reservoir description, delimiting distribution of residual oil and enhancing reservoir development is to know the reservoir heterogeneity.
提高油藏描述的精度、确定剩余油的分布、改善开发效果的关键是认识油藏的非均质性。
Laser beam shifting, power stability and intensity distribution symmetry of laser spots are the main parameters affecting collimation accuracy.
激光光束的漂移,功率稳定性和激光光斑的强度分布对称性是影响准直精度的主要参数。
Therefore, the SEM-EDXA technique provides quantitative information of lignin distribution with relatively high accuracy.
因此,SEM - EDXA技术以较高的准确度提供了定量测定木素分布的信息。
The model with the two-buoy arrays used for tracking of underwater moving target for bearing estimation is presented, and the spatial distribution of tracking accuracy is described.
介绍了具有方位估计功能的二元浮标阵用于跟踪水下动目标的模型,并描述了跟踪精度的空间分布。
The research result shows the location accuracy by the method is better and improves more than original location result in residual error, evaluated error, epicenter distribution and focal depth.
研究结果初步表明该方法定位精度比较高,无论在残差、测定误差、震中分布还是震源深度方面,都比原来定位结果有较大改进。
Then, use the characteristic of RBF neural network can represent all functions at any accuracy to simulated surface of this complex spatial distribution function of the nonlinear.
该算法利用RBF网络能以任意精度逼近任意函数的特性,模拟地表空间分布这一复杂的非线性函数。
The white level, uniformity, linear distribution and analytical accuracy of the stand samples are tested and has got feasible conclusion.
对标样的白口化程度、均匀性、呈线性分布及分析精度等进行了检测并得出可行性结论。
The higher accuracy of measuring the Doppler frequencies, the less error of the aperture distribution.
多普勒频率的测频精度愈高,反演口径分布的误差愈小。
And both of the number of point measurement and its distribution has an important effect on the accuracy of the accumulation calculated by method C.
高度区间法观测工作量适中,计算简便,能够清晰地揭示积累量随高度的变化特征,计算精度主要取决于测点的数量和分布状况。
The accuracy of settlement calculation of composite foundation with mixing piles depends on the additional stress distribution in the foundation, especially in the subjacent bed.
搅拌桩地基沉降计算的准确性取决于搅拌桩复合地基中附加应力的分布,特别是下卧层应力的分布。
Robot pose accuracy evaluation indexes based on entropy uncertainty concept have a close relationship with the magnitude and distribution of robot parameter errors.
基于熵不确定性概念的机器人位姿精度评价指标的大小同机器人各参数误差的大小及其概率分布有密切的关系。
Composition and distribution of the cascade's flow losses, as well as calculation accuracy, depend in the main on boundary layer conditions at entrance.
叶栅流动损失的构成、分布以及计算准确性的主要因素是来流边界层状态。
Compared with traditional functions, both the composite fertility model which is based on random distribution functions and the segmented mortality model improved the models 'accuracy.
与传统模型相比,本文所提出的基于随机分布函数的生育率组合模型和死亡率分段模型使模型精度得到了进一步的提高。
The distribution of the GPS leveling points obviously affects the accuracy of interpolated GPS height.
水准联测点的分布状况对GPS高程的拟合精度有明显影响。
The Present article has described the dependence of sizing dimension accuracy on the density distribution of sintered compacts and the tensile strength of materials.
阐述了烧结体密度分布与精整尺寸精度的关系,材料抗拉强度与精整尺寸精度的关系;
Objective To explore the distribution, the endoscopic features and pathologic types of the upper gastrointestinal tumor in order to improve diagnostic accuracy by endoscopy.
目的探讨上消化道肿瘤分布特点、胃镜下表现及病理特征。
The standard deviation of a sampling distribution. It is the statistic used to make statements about the accuracy of estimates based on sample information.
抽样分布的标准偏差。统计学上用来说明从样本预测的数据的准确性。
The accuracy of the simulation model is verified by inlet duct steady flowing pressure tests on test benches, and then flow field distribution in inlet ducts is analyzed.
在用气道稳流试验台验证了仿真模型的准确性后,分析了进气道内部的流场分布。
With this method, the calculated points distribution of the tooth outline are uniform, thus the design accuracy is increased remarkably.
按照此法计算,可使滚刀齿廓上的计算点均匀分布,提高滚刀的设计精度。这种方法可应用于类似的刀具设计中。
The quality of random auto-examination set is based heavy on the accuracy of exam-question score probability and probability distribution of answer-question time.
自动随机组卷的考试质量严重地依赖于试题库试题的得分概率和答题时间概率分布的准确程度。
Finally by measuring the diffraction intensity distribution of test system accuracy and stability, and give specific data and error analysis.
论文最后通过测量单缝衍射光强分布实验测试系统的精度和稳定性,并给出了具体的数据和误差分析。
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