In this paper, the DE algorithm was expanded to solve the mixed variables, restricted principal dimensions optimization.
将微分进化算法扩展到可求解混合变量、有约束的船舶主尺度优化问题。
This paper introduces briefly the principal dimensions and performance of the vessels with detailed introduction to its features.
本文简要介绍该姐妹船的主尺度、性能等，并对其特点作了重点介绍。
The optimal principal dimensions of a 15000 tons deadweight dry cargoship are calculated by two optimization algorithms SCDD and SUMT.
本文用SCDD和SUMT两种最优化方法对一万五千载重吨干货船的主要尺度作了最优值计算。
With the fact that this type ship has more principal dimension parameters than the normal ships, a principal dimensions optimization method was developed.
针对该型船主尺度参数众多而不易优化的问题，提出了一套主尺度优化方法。
To start with, the characteristics of the third and fourth generation ships were analysed. And the thought of principal dimensions and its design procedure of the fifth were given.
在研究过程中首先对多用途货船第三代和第四代产品的有关特性进行了分析，提出了第五代产品的主尺度设想，并进行了方案的技术设计。
In this paper, principal dimensions, general capacities, general arrangement, hull structure and main design specialties of the first large semi-submersible tourist submarines at home are discussed.
介绍国内第一艘大型半潜式旅游潜艇的主尺度、总体性能、总布置、艇体结构及主要设计特点。
In this paper, the emphasis is placed on the technique for reducing the dimensions. The principal analysis, correspondence analysis and nonlinear mapping are described in detail.
论文中重点介绍了该种方法的降维思想，以及用主成分分析方法、对应分析方法和非线性映射方法解决问题的步骤。
PCR (principal component regress) that with the characters of reducing dimensions effectively and overcoming the intense relativity between independent variables, is widely used in different fields.
主成分回归以其能够有效的降低维数，克服回归问题中的自变量高度相关而产生的分析困难，而得到广泛的利用。
Aiming at the problem that dataset is of high dimensions, principal components analysis is used in anomaly detection to reduce the dimensions of dataset.
针对数据对象是高维数据的问题，将主成份分析方法应用到异常检测中解决数据集的降维问题。
Through changing dimensions, this paper studied the principal parameters that affected additional thrust efficiency of the thrust fins.
对影响推力鳍助推效率的几个主要参数进行了变尺度研究。
Remember: we see things in three dimensions, so it's easier than you might guess to focus our eyes on the principal subject only and not see that background at all.
记住：我们是以三维的角度观察事物，因此你很容易将视线聚集在主要的物体上，根本没有看到背景。
The main vibration signals can be obtained by reducing its dimensions through matrix conversion in the principal component analyzed, and realize the analysis to the vibration noise source.
运用主成分分析方法，经过矩阵变换，提取振动信号的主要信息，从而实现对振动噪声源的分析。
Principal component analysis(PCA) is a technique for linearly compressing multidimensional data into lower dimensions with minimal loss of information.
主成分分析是一种将多个变量化为少数几个综合新变量的多元统计分析方法。
Principal component analysis method can reduce dimensions of samples and even produce optimal compression of samples.
主成分分析法可以提取样本集的主元，从而降低样本的维数，甚至可以实现样本的最优压缩。
The three principal internal dimensions are each at least 900 mm.
三个基本内部尺寸，每个至少为900mm。
The three principal internal dimensions are each at least 900 mm.
三个基本内部尺寸，每个至少为900mm。
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