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It is very important, theoretically and practically, to study the mining of sequential patterns under this background.

在这种背景和前提下研究序列模式数据挖掘技术，有重要的理论和实际意义。

Therefore, it will benefit theoretically as well as practically to study the human capital and set up the theoretical framework and methodology in terms of financial management.

从财务管理学的角度研究人力资本，构建其理论框架和方法体系具有重要的理论意义和实践价值。

Based on the summarization of the present research, the future system frame of the blind digital image forensics is proposed. According to the natural characteristics of digital image, the principles of constructing the standard testing database of sample images are also put forward. Moreover, the extensible topology structure is set up and the size of the database needed theoretically is calculated statistically.

在总结前人工作的基础上，提出了数字图像盲取证的系统框架；利用数字图像自然属性特征，根据数字图像取证的测试需求，提出了取证测试专用的标准图像样本数据库建库准则，建立了可拓展的图像库拓扑结构，并利用统计学方法计算了所需的建库规模。

However,because of the lack of historical data,scholars havedifficulties to theoretically understand the history of shamanism.

但是由于史料学基础不够充分，给学者们带来了理解萨满教发生与发展的理论困难。

The relationship between shareholding structure and operating performance is always the focus of debate theoretically and practically.

股权结构与经营绩效之间的关系一直是国内外理论界和实务界争论的焦点。

According to the result of artificial rainfall, the character and factors affectedby soil, rainfall, chemicals, slope length, slope gradient and field mangment practices, for rainfall, runoff,infiltration, soil erosion and soil chemicals, such as NO_3~-, NH_4~+, PO_4~(3-), K~+ and Br~-, are investigated. Thedeterminate methods, influence factors and practical application of the mixing zone depth are also researched.The results can enrich the dynamics of soil, water and nutrient transport, evaluate the soil water and fertilizerefficiency, and theoretically benefit the research of agricultural NSP on loess hill slope. 1. According to the surface transport experiments of soil chemicals under the non-satuation soil and watererosion condiction, for adsorbed PO_4~(3-) and K~+, the time of sheet erosion and rill erosion initiation is coincidentthat of chemicals content in surface runoff climbs, and then their abundant export by surface runoff is urged.

本文以黄土坡地为研究对象，通过模拟降雨试验，研究土壤因素、降雨因素、化学物质理化性质、坡长坡度因素和农田管理措施等对坡地降雨—产流—入渗—土壤侵蚀—农田NO_3~-、NH_4~+、PO_4~(3-)、K~+和Br~-地表迁移的影响，研究非饱和土壤和水蚀条件下混合层深度的确定、影响因素和模拟，探讨其在黄土坡地的实际应用，为丰富坡地水分养分迁移动力学、提高旱地土壤水分养分利用率和深化农田非点源污染研究提供理论依据。

Theoretically, you can make arbitrage of it, but it requires the dealer complete buy, transfer and sale in a short time to make a profit of it.

从理论上说，你可以对此进行套利，但这要求交易者在短时间内完成买入、转移、再卖出的操作，才能实现利润。

In the present work, the structure and properties of Ti〓SiC〓 were studied theoretically and experimentally.

本文从理论和实验上系统地研究了三元层状化合物Ti〓SiC〓结构和性能。

In neural networks learning, the Sigmoid function is improved and the stability conditions of backpropagation algorithm is analyzed theoretically.

在神经网络学习中，改进了前向神经网络中Sigmoid作用函数表达式，并在理论上分析了反向传播修正权值的迭代算法稳定收敛的充分条件。

But, there is a debate over the singularity of it theoretically.

但是，理论界对此向来是有争议的。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。