查询词典 accuracy

Aiming at solving the problems of heterogeneity among ontologies in semantic Web services, and taking into account the fact that the efficiency of most ontology mapping system is not high and the results of ontology mapping is not accurate enough, this paper proposed efficient ontology mapping method and system framework for semantic Web services, the method adopted machine learning techniques to enhance the degree of automation of ontology mapping, used comprehensive evaluation technology to amend the results of ontology mapping, so as to improved the accuracy of ontology mapping.

芦明， 李冠宇，史一民大连海事大学信息科学技术学院，辽宁大连 116026）本体的异构性阻碍了语义网服务的互操作。从解决语义网服务中本体的异构问题出发，同时考虑到目前的本体映射系统大多效率不高、映射结果不够准确的问题，提出了一种适用于语义网服务的本体映射方法及系统框架。该方法利用机器学习技术来提高本体映射的自动化程度，利用综合评判技术修正映射结果，以提高本体映射的准确率。

Spatial variations of a degree-day factor have great impacts on the accuracy of snow or ice melt modeling.

度日因子是该模型的重要参数，反映了单位正积温产生的冰雪消融量，其空间变化特征对于不同模型模拟冰雪消融过程的精度有较大影响。

The key to increase accuracy of reservoir description, delimit distribution of residual oil and enhance 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。

However, its accuracy is not much high in interpolation. On the other hand, interpolation functions in the point interpolation method have delta function property, and it is convenient to apply the essential boundary conditions.

而点插值方法的插值函数具有Delta函数性质，可以很方便的施加本质边界条件，不利之处是在计算插值函数时矩阵易于奇异。

The effects of data sampling methods, its density and distribution on the accuracy of DEM are presented.

阐述了原始数据的采集方法及其密度、分布对 DEM 精度的影响。

One can obtain the demagnetization factors with any accuracy of equilateral triangular prisms by numerically integrate this expression.

根据这一张量表达式，可以得到任意精度的退磁因子，把这一结果应用在微磁学的网格划分当中，可以提高对复杂边界的处理能力。

Demarcation to high accuracy topography measurement system is a key problem and needs to solve.

对于高精度的表面形貌测量系统，标定是另一个需要解决的关键性问题。

Correspondingly, the phase-sensitive demodulation circuit used to demodulate signal light is designed to improve the measurement accuracy of the system.

相应的，在检测信号处理电路中，设计了相敏检波电路解调信号光，以提高测量精度。

The Second Research Institute, The Second Artillery Equipment Aca demy, Beijing 100085, China）Abstract:According to explosion tests and theory analysis, some critical factors affecting accuracy of overpressure measurement and power evalua tion are stated systematically.

根据外场爆炸试验与理论分析研究，系统阐述了影响超压测试及威力评估准确度的关键因素。

Sealing wax densimetry is suitable for the density determination of mineral drugs and their calcined products with its high accuracy, whereas direct densimetry' is not suitable for the density determination of mineral drugs and their calcined products.

直接密度测定法不适用于矿物药及其煅制品的密度测定，而封蜡密度测定法准确度高，较适用于矿物药及其煅制品的密度测定。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷