查询词典 geometrical mean

A novel image matching method based on the partial projection entropy difference was proposed. This image matching method has very good anti-geometrical distortion properties.

由于局部投影熵反映的是图像的局部统计特征，因此基于局部投影熵差的图像匹配方法具有较好的抗几何失真能力。

That the immovable, the direct, the correct, the geometrical, the passive, the perfect, could bend!

不可转移，直达，正确，几何学般的严格，被动和完备，竟然也会屈服了！

Both the material nonlinearity and geometrical nonlinearity effects were taken into account in the FEM model. The rigid effect of tank pedrail and the panel's initial welded residual deformation were also considered.

数值计算中考虑了材料非线性和几何非线性效应，并在有限元模型中考虑了坦克履带的刚化作用和初始焊接变形的影响。

The images in myocarditis-typeof CPV diasease showed several apparently different traits with those in enteritis-type ofCPV disease, namely, pericardiac effusion, geometrical changes of left ventricle,incrassation of ventricular septum moving lean to left, decreased moving extent ofventricular septum, dilation of right ventricle and ventricular wall hypertrophy.

结果显示，心肌炎型细小病毒病的超声心动图具有不同于犬肠炎型的明显特征，如心率不齐、心包渗出、左心室几何形态改变、室间隔增厚、右心室扩张、室间隔波动幅度降低、室间隔与左心室壁呈同向运动、右心室壁博幅增加等。

The geometrical configuration of the larynx during phonation ...

在发音时喉头的几合配置。。。

In this case, geometrical design methods are inadequate, but current physical optics methods are too slow.

在这种情况下，几何光学的设计方法已经无能为力，但是，现阶段的基于物理光学的计算速度太慢。

In the measurement of work, the first test with control meaning the area to choose some point to form a certain geometrical form the skeleton of the surveyed area, with a relatively accurate means of measurement and calculation methods, in a unified coordinate system to determine these points plane coordinates and elevation, and then based on it to determine the point and other ground points, or construction setting, or other measurements.

在测量工作中，首先在测区内选择一些具有控制意义的点，组成一定的几何图形形成测区的骨架，用相对精确的测量手段和计算方法，在统一的坐标系中，确定这些点的平面坐标和高程，然后以它为基础来测定其他地面点的点位或进行施工放样，或进行其他测量工作。

Tangrams, which are also called small geometrical wooden boards, is a game of plane geometry.

七巧板是一种平面几何学游戏，称为小小几何板。本文论述七巧板的源流，指出教师可以因应需要，以不同的活动形式将七巧板引入课程中。

Regarding to the multi-granularity of and analysis demand of stock index futures transaction data, this article proposed a classification method based on support vector machines. Tangent plane solution of support vector machines is established by introducing geometrical solution. Therefore, investors can be classified based on straightforward transaction data.

针对股指期货成交数据的多粒度性以及成交数据分析的需求，本文提出在解决噪声、多粒度数据分类问题方面有突出优越性的支持向量机分类方法，引入几何求解方式，提出了支持向量机的切平面解法，根据成交数据直观地对投资者进行分类。

The latest experimental results of the focusing perfermance of the compound high-energy X-ray lens is designed with PMMA with the parameters of 40 plano-concave elementary lenses positioned in line with axial symmetry, 200 μm radius of the concave surface, 0.15 nm working wavelength, 0.5 mm geometrical aperture and 8 mm length of the compound lens and 1.3 m focus length, are briefly introduced.

报道了这种新型X射线光学元件聚焦性能的最新实验结果。设计的高能X射线组合透镜为聚甲基丙烯酸甲酯材料，包括40个相同的、顺序排布的平凹折射单元，折射单元的球面半径为200 μm，组合透镜的几何口径约为500 μm，长度约为8 mm，焦距约为1.3 m。简要描述了PMMA材料X射线组合透镜的制作技术和制作过程。并给出了X射线组合透镜聚焦性能测试实验系统和实验条件。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。