对高维的特征集进行降维是文本分类过程中的一个重要环节。
Reducing the high dimension of feature vectors is an essential part of text categorization.
实验结果表明,该算法能有效地对高维的方向性数据进行聚类。
The experiment results demonstrate its validity over directional higher-dimension data clustering.
但在处理高维的具有太多局部最优前沿的多峰函数时极易陷入局部最优前沿。
But as to high-dimension functions with too many local Pareto optimal fronts, it traps in local Pareto optimal front easily.
在高维的情形,给出了一个充分条件,并且指出边界表示问题与模的本质正规性之间的密切联系。
In the higher dimensional case, we give a sufficient condition, and also point out the connection between boundary representations and essential normality of modules.
本论文给出了一种高效率、高信容的量子密钥分布模型,同时将量子密集编码推广到一般的多方高维的情况。
In this thesis, the author proposes a theoretically efficient high-capacity quantum key distribution scheme and generalizes the quantum dense coding to super dense coding between multiparty.
文介绍了一种聚类大型二元数据集合的快速算法,在该数据集合中数据点是高维的,并且大多数的坐标值为零。
This paper introduces a fast algorithm to cluster large binary data sets where data points have high dimensionality and most of their coordinates are zero.
实验结果表明,与文献算法相比,该算法在处理高维函数优化时具有更强的寻优能力和更高的搜索精度。
Simulations show that proposed algorithm has more powerful optimizing ability and higher optimizing precision in high-dimensional function optimization than literature algorithms.
该方法适用于大规模及高维属性的数据分类问题。
The method is suitable for large scale and high dimension data classifying problem.
通过混合使用多种杂交算子并辅之以间歇变异,提出了一种求解高维复杂函数全局优化问题的新型演化算法。
A new evolutionary algorithm based on hybrid crossovers and intermittent mutation for global optimization of complex functions with high dimensions is proposed.
特征选择在处理具有较多不相关特征的高维数据上已被证明是一种有效的手段。
Feature selection has proven to be an effective means when dealing with large dimensionality with many irrelevant features.
实验证明了一系列算法的效率和有效性,尤其适合数据仓库中的高维数据集。
The effectiveness and efficiency of the algorithms have been shown by experimental results, especially for the high dimension data warehouses.
因此,该神经网络是处理高维问题的有效工具,尤其适用于包含多道加工工序的大工业过程的建模。
Thus the proposed neural network is a powerful tool for solving high-dimension problems, especially for modeling large-scale industrial processes with several work procedures.
结果表明,同伦分析法在求解高维非线性演化方程时,仍然是一种行之有效的方法。
The results indicate that the HAM is still valid for solving a class of higher dimensional evolution equations.
维斯瓦泻湖上的堡垒在1239年改名为鲍尔高。
其实当巴罗达夫人得知丈夫希望他的朋友高维内尔来种植园住一两周的时候,她是有点恼怒的。
Mrs. Baroda was a little provoked to learn that her husband expected his friend, Gouvernail, up to spend a week or two on the plantation.
霍诺·维茨预计高盛的投资银行业务量创下最大跌幅,比第一季度减少30%,比去年同期减少43%。
Horowitz expects Goldman will see the greatest fall in investment banking volumes, down 30% from the first quarter, or down 43% from a year ago.
加尔维斯顿利用新建的海堤避免了以往飓风造成的高死亡率,这场风暴中275人遇难,其中只有11人是加尔维斯顿市民。
Galveston avoided the high death toll of the previous hurricane with the newly built seawall; out of the 275 people killed in the storm, only 11 were Galveston citizens.
麦克维认为,这是因为继能源公司安然和其它公司倒闭以来而实施的严格监管,使公司高管们小心谨慎所致。
Mr McVey thinks that executives are being cautious, given the regulatory scrutiny that followed the collapses of Enron, an energy firm, and others.
然而,在一年快要结束时,她突然提议让高维内尔再次前来拜访,而这次完全是她自己的主意。她的丈夫虽然惊讶,但是却非常高兴听到这个建议。
However, before the year ended, she proposed, wholly from herself, to have Gouvernail visit them again. Her husband was surprised and delighted with the suggestion coming from her.
史高维尔在1912年设计了一个实验,来衡量辣椒素(辣椒中一种产生辣味的化学物质)的含量。
It is named after Wilbur L. Scoville, an American scientist who, in 1912, developed a test to measure levels of capsaicin, the chemical that creates the heat in chilli.
刚刚离开联合利华(Unilever)董事会并担任另一份高管职位的吉娜维夫•伯杰博士(Dr Geneviève Berger)认为:“从我的观察来看,玻璃天花板的存在仍是现实。”
“From my observation, the glass ceiling is still a reality,” said Dr Geneviève Berger, who recently stepped down from the board of Unilever to take an executive post.
近九个月前,雷石东将其媒体帝国一分为二,唐思腾先生随即出任维亚康姆的老板。唐思腾缔造了MTV在全球的辉煌,是一位令人崇敬的传媒高管。
It is barely nine months since Mr Freston, a hugely respected media executive who presided over the global success of MTV, became boss of Viacom when Mr Redstone split his empire in two.
有一天,来自麻省西春田市的女飞行员,在戴维营沙丘地上空6000英尺高的地方驾驶一架大型的维嘉文图拉飞机,后面拖载着一架标靶飞机让高射炮练习打靶。
Isabel Fenton of West Springfield, Mass. was flying a Vega Ventura about 6,000 feet over the dunes off Camp Davis the other day, hauling an airplane target for a battery to shoot at.
维可托猎头以打造行业内“高、精、尖”的服务为目标,专注于为企业提供人才招聘的解决方案。
Victor head hunters aim at building high-grade service in this industry. We focus on providing recruitment solutions for all kinds of companies.
头巾:因为有了细小的高光(维米尔的标志性笔法)而显得更加生动活泼,主要位于头巾在头顶位置的黄色部分和肩膀后面的头巾底部。
The turban: it is enlivened by small highlights (Vermeer's trademark), mainly on the yellow part crossing over her head and at the bottom of the turban, behind her shoulders.
而这部卡梅隆自《泰坦尼克号》以来首次执导的大型故事片标志着三维电影时代的到来——这种三维指具有长宽高的影像。
Instead, Cameron's first full-length dramatic feature since Titanic comes billed as the shape of films to come - and that shape has height and width and depth.
西尔维娅没有上过任何的体操课,但是她长得又高又壮的,很受大家的欢迎。
Sylvia didn't have any gymnastic classes but she was tall, strong, and she was popular.
有一天,来自麻省西春田市的女飞行员,在戴维营沙丘地上空6000英尺高的地方驾驶一架大型的维嘉文图拉飞机,后面拖载着一架标靶飞机让高射炮练习打靶。
Isabel Fenton of West Springfield, Mass. was flying a Vega Ventura about 6, 000 feet over the dunes off Camp Davis the other day, hauling an airplane target for a battery to shoot at.
有一天,来自麻省西春田市的女飞行员,在戴维营沙丘地上空6000英尺高的地方驾驶一架大型的维嘉文图拉飞机,后面拖载着一架标靶飞机让高射炮练习打靶。
Isabel Fenton of West Springfield, Mass. was flying a Vega Ventura about 6, 000 feet over the dunes off Camp Davis the other day, hauling an airplane target for a battery to shoot at.
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