One of the immediate consequences of the increased level of precision in UML 2.0 is that the language definition has gotten bigger — even without accounting for the new modeling capabilities.
UML 2.0在精确度方面的提升所造成的最直接的结果之一,就是即使不算它所新增的建模能力部分,这种语言的定义也变得更大了。
Most early software modeling languages were defined informally, with little attention paid to precision.
大多数的早期软件建模语言被非正式地定义,并很少注重它的精确性。
The following cases are examples of the ambiguity of a drawing tool versus the precision of a modeling tool.
以下案例是绘图工具的模糊不清和建模工具的准确的对比示例。
A data modeling profile would contain tags that describe a column's length or precision.
数据模型profile可能会包含描述列长度或精度的标签。
The mathematic model of gas turbine engine is important for the development of ship power and its control system. The key of modeling is the precision and convergence.
建立燃气轮机数学模型是船舶动力及其控制系统研制的重要手段,建模的关键在于提高精度和收敛速度。
The selection of the modeling data, the data's pretreatment of power load forecasting and their effects on forecasting precision were discussed.
论述了电力负荷预测中建模数据的选择、预处理方法及其对预测精度的影响。
Based on grey system, an equal spaced GM (1, 1) modeling and method to data processing in engineering field was put forward, the method of precision inspection was introduced.
分析数据处理的现状后,运用灰色系统理论,建立了数据处理的等间距化GM(1,1)模型,给出了精度检验方法。
The study shows that limited difference forward method has higher precision and computing speed in Geo-electrical forward modeling.
研究表明,利用有限差分数值方法进行复杂地电模型的正演计算,计算速度快,计算结果精度较高。
This study shows that the compound fuzzy neural network not only possesses evident dominant in modeling precision, but also possesses a good prospect in the application of production process.
研究表明,论文提出的复合型模糊神经网络不仅在建模精度上有着明显的优势,而且在实际生产过程的应用上具有良好前景。
This approach can improve modeling precision and efficiency of producing involute gear, and provide necessary condition for finite element method analysis of involute gear.
该方法可以提高渐开线齿轮造型精度与效率,从而为渐开线齿轮的有限元分析提供了必要条件。
Modeling with this method can achieve high precision if the training samples are reliable.
只要训练样本可靠,采用该方法建模可以达到比较高的精度要求。
The method needs less parameters and achieves higher precision than other methods, and is a good way for geometry modeling in maize leaf.
与其它方法相比,该方法具有精度高,参数少的特点,是一种适合于玉米叶片三维造型的好方法。
For improving the precision of prediction of rolling model, a new method using artificial neural networks of rolling force modeling is put forward.
为了提高轧制力模型预报值的精度,提出了一种基于人工神经网络的轧制力建模新方法。
The application results show that the modeling method is excellent and the precision is high.
现场调试运行结果表明应用本文方法建模精度较高,系统效果良好。
The results showed that the application of Robust Estimation Theory in forestry gray modeling could not only avoid the effect of gross error, but also reach the predicted precision over 80%.
结果表明,利用稳健估计理论来进行林业灰色建模,不但可以抗击粗差的影响,而且预测精度基本满足在80%以上。
Its fitting precision is related to the smooth degree of modeling data sequence.
它的拟合精度与建模数据序列的光滑度有关。
The simulation results show that both methods are more powerful than ANFIS method in modeling complicate multi-input systems concerning with efficiency and precision of the model.
具体的仿真试验表明这两种建模方法对于复杂的多输入系统的建模,在效率与精度上比anfis模型及其他模型都要好。
By comparing with other modeling methods, it is shown that Models in this paper have lower error ratio obviously, satisfy the engineering precision demand, and have application value.
与其他建模方法进行比较可以看出,文中所建回归模型误差明显降低,满足工程精度需要,具有实际应用价值。
In order to improve the dynamic positioning precision of scanning electrochemistry microscope(SECM), the mathematic modeling and controller design of the piezo-stage are studied.
为提高扫描电化学显微镜(SECM)微定位系统的运动定位精度,对其压电工作台的数学模型和控制器设计进行了研究。
Error compensation is an effective approach to enhance machining precision, and error modeling is the key factor for the compensation.
误差补偿是提高机械加工精度的有效途径,其中误差的建模是关键。
This paper proposed a modeling method using inverter step response waveform data to improve the precision of compensator based on waveform library control technique.
为了提高补偿器的补偿精度,根据波形库控制技术提出基于控制对象单位阶跃响应波形的建模方法。
Systematic error compensation is one important approach to enhance the machining precision, and systematic error modeling is the key process for the compensation.
系统误差补偿是提高零件加工精度的重要途径,其中系统误差的建模是关键。
On the side, shell-beam model solves the problem of modeling time and analysis precision, and gives prominence to emphases, and the model is more practical.
板梁模型较好地解决了建模时间和分析精度之间的矛盾,突出重点,简化次要,模型更实用。
The pneumatic servo valve can preferably be choose and used promoting the precision of control system through the analysis and mathematical modeling of pneumatic servo valve.
对气动伺服阀的分析和数学建模,可以更好的选择利用气动阀,提高控制系统的精度。
With traditional modeling method of GIS we encounter some difficulties, we must keep a balance between the precision of model and rendering speed of computer.
传统的GIS建模方法,在虚拟环境建模中遇到了困难,需要在模型的精度和计算机的绘制速度之间采取一定的折衷。
The computer simulation and practical experimental modeling of a steel net vibration isolator show that the method is simple, effective, and of high precision.
仿真实验和实际钢丝网垫减振器的建模实验均表明本文方法简单可行,且具有较高的识别精度。
After taking a series of steps of improving precision, we obtain the ideal results of the modeling distinguishing of the loads.
在采取提高识别精度的一系列措施后,取得较理想的模拟载荷识别结果。
The geometric error modeling of NC machine tools is the key technique to dynamics design, precision analysis and error compensation. It is the important step to improve the precision of machine tools.
数控机床的误差建模是进行机床运动设计、精度分析和误差补偿的关键技术,也是保证机床加工精度的重要环节。
Simulation result shows that GMDH method can be applied to nonlinear system modeling successfully and has such advantages as higher prediction precision and good calculation stability, etc.
仿真结果表明,用GMDH方法建立非线性系统模型,具有预测精度高、计算稳定性好等优点。
The result of proposed modeling method indicates that it can highly improve the robustness, versatility and precision of the thermal error compensation model.
研究结果表明使用本方法可大大提高热误差补偿模型的鲁棒性、通用性和精度。
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