应用特征选取和模式聚合理论以降低特征空间维数。
This paper employs feature selection theory and pattern aggregation theory to reduce feature space dimension.
染色体机制还产生新的空间维，进化过程就在那里进行。
The chromosome apparatus also created new dimensions of the space within which the process of evolution takes place.
计算机屏幕有两个空间维，全息和立体则需要另一个空间维。
A computer screen has two spatial dimensions; holography and stereophony require an additional spatial dimension.
四维为管理要素维、管理领域维、管理空间维、管理时间维。
The four dimensions are the management key factor dimension, the management field dimension, the management space dimension and the management time dimension.
但人脸的原始特征空间维数很高，无法直接利用LDA方法提取分类特征。
But the dimensionality of the original face image is too high to use LDA method directly.
结果表明，系统的临界点不仅与空间维数有关，还与晶格格点的配位数有关；
The result shows that, the critical point of the Gauss model depends not only on the spatial dimension of the system, but also on the coordination number of the site.
这些方法，仅对地基-基础界面进行有限元离散，使问题的空间维数减少一维；
Only the subsoil-foundation boundary is discretized, the same as boundary element method, which reduces the spatial dimension by one.
计算质量可看成二重或三重积分，这取决于空间维数，取决于密度函数，dA还是。
And mass will be double or triple integral, depending on how many dimensions you have, dV of whatever density function you have, dA or dV.
本文从空间维、时间维的角度对镇江市城市主城区商业地价的分布特征进行了研究。
This thesis deals mainly with the distribution of the commerce land in the central area of Zhenjang City from the view points of both spatial and temporal dimensions.
计算的复杂度不再取决于空间维数，而是取决于样本数，尤其是样本中的支持向量数。
Thus the computational complexity is no longer depend on space dimension, but the number of samples, especially the number of support vectors in each sample.
该方法可降低数据空间维数和支持向量机处理过程的复杂度，但不会降低分类和预测性能。
The method can reduce the dimensions of the data set and the complexity of the model of SVMs, and doesn't affect its classification and prediction performance.
最后，根据降秩技术中的交叉谱思想，提出了一种新的对信号子空间维数减少时的处理算法。
Finally, to deal with the situation that the dimension of the signal subspace decreases, a new algorithm is proposed based on the idea of the Cross Spectral Method.
机械系统的欠驱动特性是指系统控制输入向量空间的维数小于系统广义坐标向量空间维数的情况。
The underactuation of mechanical systems means that the dimension of the control vectors of systems is less than that of the configuration vector of systems.
确定投影空间维数和建立投影空间模型是计算机视觉领域中形态图计算时一个十分重要的基本问题。
The establishment of dimensions and models of viewing space is quite important for computing aspect graph in computer vision.
本文给出了证明矩阵行空间维数等于列空间维数的另一种较简单的证法，以及解决几个相关问题的捷径。
This paper give an expositior of simple way to display that the dimension of row space of matrix equals to the dimension of column space and some shortcuts to solve the problems concerned.
在诊断模型中，应用APEX网络提取分类信息，压缩向量空间维数，利用前馈网络建立其类型识别函数。
In the model, using APEX network extracts classification information and condenses vector space dimensions, making use of feedforward network establishes the classification recognition function.
空间维是监测体系的实物表现，包含监测点及市场交易样点、地价区段、土地级别、城市、省、地区和全国七个层次。
The space dimensionality is actual substances of monitoring system, includes seven levels: monitoring point, land price section, land grade, city, province, region and nation.
在采用SVM算法的文本分类中，由于文本所表征的向量空间维数通常非常巨大，因此在训练过程中将耗费大量的系统资源。
For text classification based on SVM learning algorithm, usually there is an abundance of training data, which will cost a lot of computing resources in training process.
在这个困难的数学阶梯上取得下一个进展之前，得先在四维空间做同样的事情。
On the next rung up the ladder of difficult mathematics comes doing the same thing in four-dimensional space.
形状是二维空间的一块区域，它与其周围环境形成了鲜明对比。
Shape is an area of two dimensional space that strongly contrasts with its surroundings.
地下乐团理念的关键在于它属于美学的第三维空间，摆脱了美学的传统界定。
Key to the underground philosophy is that it represents an aesthetic third space, one which eludes conventional boundaries.
给出我们生活的这个世界的三维空间，庞加莱猜想能够告诉我们我们的宇宙的形状。
Given that we live in a world with three spatial dimensions, the poincare conjecture tells us ultimately what shape our universe could be.
在三维空间中，通量由流体所通过的表面来度量。
In the three-dimensional space, flux will be measured through a surface.
目前的碟片有三维空间。
然后兹诺瓦·耶夫与戈班在四维空间中对这些数据进行绘制。
Zinovyev and Gorban then plot this data in four-dimensional space.
我使用X、Y和z轴在三维空间中展示图片。
I use x, Y, and Z axes to illustrate pictures in the three-dimensional space.
本节是否也有一些3维空间中的方程是我们需要了解的？
Are there equations of 3d shapes that we should know at this point?
研究人员说，虽然我们很难想象在三维空间里可以看到五维的物体，可是黑弦将会是圆柱形的。
While it's difficult to visualize a five-dimensional object in our three-dimensional space, black strings would be cylindrical, researchers said.
她大胆进入第三维空间，绘制出曲面表示植物的轮廓。
She ventured into the third dimension to produce graphs that map the contours of plants.
她大胆进入第三维空间，绘制出曲面表示植物的轮廓。
She ventured into the third dimension to produce graphs that map the contours of plants.
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