分类

Summarizes classification of railway transportation safety investment and the effect factors, expatiate the structure of safety costs, introducing analysis of safety costs and its implementations on railway corporates' investment decision making and safety management. Furthermore, it analyses classification, implementation, and measurement of economic benefits. It also provides fundamental knowledge in later analysis of derogation and efficiency improvement.

概述了铁路运输业安全投入的分类以及影响安全投入的因素；阐述了安全成本的构成、介绍安全成本分析法并将方法应用于铁路企业的安全投资决策与安全管理工作上；分析了安全投资效益的分类、特点、实现方式以及计量方法，为后面分析安全投资减损、增值效益提供分析方法的支撑。

The deduction is help-ful to re-recognize the academic value of "The Detailed comment on Computation and Record",and provides an important reference for the design and the operation of the home-made economictoken, accounting token, and detail account in the present time.

演绎500年前流行于威尼斯的备忘簿、日记帐簿和分类帐簿的格式和操作方法，有助于重新认识《簿记论》的学术价值；对于今天的自制经济凭证、记帐凭证和明细分类帐的设计和操作，具有重要的借鉴意义。

Automatic video classification ; Data mining ; Decision tree ; Class association rules

自动视频分类；数据挖掘；决策树；分类关联规则

The testing results of particle classifier using MATLAB tool cabinet, indicated that recognition ability of the classifier is 90%, and which can highly valued in application.

利用 MATLAB 工具箱对磨粒分类器的测试实验结果表明，磨粒分类器识别能力为 90%，具有比较高的实用价值。

At the secondary sorting frames, the letters are put into towns in the country Later, the letters are tied in bundles and a label is put on showing the towns they are addressed to.

随后，信件被取出，放进篮子里，送上传送带。上了传送带后，篮子根据标码钉被送往再次分类部。在这些再次分类框架上，信按照这个国家的各个城市被分开。

At the secondary sorting frames, the letters are put into towns in the country Later, the letters are tied in bundles and a label is put on showing the towns they are addressed to.

下一步，根据信所寄往的国家进行分类，放入鸽笼式分类架。随后，信件被取出，放进篮子里，送上传送带。

The best accuracy, in two-class problem, can be as high as 79.0%, and in three-class problem, can be as high as 67.5%. These results show that the support vector machine is an effective method in the prediction of protein solvent accessibility.

其中，对两类数据的最优分类结果达到79.0%，对三类数据的最优分类结果达到67.5%，表明支持向量机是蛋白残基可溶性预测的一种有效方法。

Tension Control of the book's introduction, from the tension control Uncoiler principle, characteristics, classification, function and implementation are described; vector transformation from the basic principles of control, inverter control technology boards T400 model and outlines the aspects of how to control the tension the problem; In addition to the tension control roller load balancing and analysis were summarized, the principle of load balancing, sorting and implementation.

有关开卷机张力控制的介绍，从开卷机张力控制的原理、特点、分类、作用及实现进行了阐述；从矢量变换控制的基本原理、变频器的控制模式及T400工艺板方面概括了张力如何控制的问题；另外对张力辊的负荷平衡控制进行了总结和分析，有关负荷平衡的原理、分类和实现。

This is the intellectual property information part of the catalogue Categoried by subject of the resources in FindLaw for Legal Professionals.

这是美国FindLaw国际法律门户网站针对法律职业人员提供的资源中分类目录下关于知识产权信息的主题分类目录部分。

The whole process of text representation were discussed — word segmentation, building stop words list, feature selection, weight computation and generating vector space. Aim at the influence of stop words, a list, which is fit for text categorization, is set up and makes the vector dimension reduce.

针对停用词对分类的影响，建立了适合文本分类的停用词表，使向量维数得到初步降低；对现有特征选择方法进行了介绍和对比，构造了一种适合支持向量机的特征选择函数——基于类内频率的特征选择函数。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。