查询词典 combinatorial dimension

The generalized fractal dimension model of openings perimeter in jointed rock mass is put forward. The relation between erecting parameters and generalized fraetal dimension of openings perimeter is analyzed. According to the fractal theory, the relation between overbreak as well as underbreak and generalized fractal dimension of openings perimeter is built.

块体理论是研究洞室超欠挖的重要工具，它是从拓扑几何学的角度来研究洞室中的关键块体，但关键块体与超挖块体之间存在区别，文中对超挖块体和关键块体之间的关系进行分析研究，应用块体理论和结构面网络模拟技术相结合的方法预测了洞室超挖块体的大小。

It is shown that even for the case of vanishing IMF strength the bow shock is not rotationally symmetric with respect to the Sun-Earth line: the east-west dimension of the cross section of the bow shock exceeds the north-south dimension by about 9~11% on the terminator plane (dawn-dusk meridian plane) and its sunward side, and becomes smaller than the north-south dimension by about 8% on the tailward side of the terminator plane.

模拟结果表明，即便对于IMF强度为零的情况，弓激波相对日地连线也不具备旋转对称性质：终端面及其向阳侧的弓激波截线的东西宽度大于南北宽度（约9%~11％），终端面尾侧的弓激波截线东西宽度小于南北宽度（约8％）。

In both sampling period and fractal computing dimension,the signal is fuzzed to construct fractal dimension subordinating degree. A novel correct method,the fuzzy neural network diagnosis method,was proposed,in which the input is the fractal dimension subordinating degree, and the output is the unit matrix. A gearing system was diagnosed by using the modeling.

以多时间尺度采样所获得的分形维数隶属度作为网络输入，单位矩阵为网络输出的分形模糊神经网络，建立了时域精确诊断新方法，通过对典型齿轮系统故障进行精确诊断，结果表明分形模糊神经网络诊断方法的有效性。

This paper studies that tolerances accumulation effect is differet for sign formal of different dimension applying to tolerance on degree of position and dimension for axis of limiting holes group,and quantizes tolerance ranges of tolerance on degree of position and dimension for axis of controlling hole group.

研究了位置度公差和尺寸公差在限制孔组轴线中因采用不同图样标注形式而导致公差累加效果的不同，量化了位置度公差与尺寸公差在控制孔组轴线中公差带的大小。

The meanings of the three dimensions have been richened. Now, the effectiveness dimension includes both accounting measures and market measures; the efficiency dimension includes both outcomes and processes; and the synergy dimension consists of the synergy of both short-term and long-term interests of stakeholders.

全息绩效概念正是在这种演进的历史中，丰富了它固有的三个维度的延伸内涵，即，效益维度包括会计基础业绩和市场基础业绩两个方面；效率维度包括结果效率和过程效率两个方面；协同维度包括长短期利益协同和相关者利益协同两个方面。

Last but not least, the paper systematizes the content of the virtual survival upon the character of two-dimension and three-dimension and further differentiates it in the dimension of object and subject, which, therefore, makes the jumble thoughts of virtual survival clearer and more understandable.

第四，根据二维和三维的特征对虚拟生存的内容进行了划分，并进一步作了主体和客体向度上的区分，这样使庞杂的虚拟生存内容变得条理化和清晰化。

Feature search mainly contains searches on quantitative dimension and color dimension. Feature search on quantitative dimension plays an important role.

特征搜索主要包括颜色维度、数量化维度的搜索，其中数量化维度的特征搜索占有重要的地位。

Main factors in different seasons have been known, Fractal character of the distribution pattern. the Box dimension, Information dimension and corelative dimension of the D.

有鉴于此，本文以三江平原草地的优势植物小叶章为研究对象，选择典型草甸、沼泽化草甸、沼泽三个具有代表性的小叶章群落。

The results show that with the increase of drill wears, the box dimension and the information dimension as well as the correlation dimension of drilling force signals appear obviously to have the downtrends. Accordingly, this characteristic can be effectively used to realize the monitoring of drill wears.Aiming at the characteristics of the highest overlap of the feature modes in each drill wear condition, the hidden Markov model is put forward to resolve the drill wear monitoring.

针对各钻头磨损状态下特征模式高度重叠的特点，提出采用隐马尔可夫模型HMM解决钻头磨损监测的思想，对1肠IM在钻头磨损监测中的原理及实现方法进行了系统的研究，完成了基于前后向算法和Baurn一Welch算法进行模型训练和识别的具体实施步骤，建立了基于S服网络的矢量量化器，解决了钻削力特征矢量的融合与编码问题。

Research and implementation of multi-dimension management of meta-data based on meta-meta-model;2. A Data Analysis System to the Banking Industry Based on the J2EE Architecture and Multi-dimension Data Model;3. Objective According to actual terminal phaco energy effect in intraocular space, multi-dimension al energy control model was put forward on the base of traditional foot pedal control,which includes controls of energy direction,distance and prevention.

针对扩散硅压力传感器在实际应用中对温度存在交叉灵敏度的问题，文章采用改进的多维回归分析法和BP神经网络法两种实用的智能化数据融合方法对压力传感器输出进行处理，以消除非目标参量对传感器的影响；研究结果表明这两种方法均能有效地抑制交叉灵敏度，减小灵敏度温漂和零点温漂；由于这两种融合算法具有各自的特点，因此可应用于不同要求的智能传感器系统中。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"