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Chapter one and chapter two use normal form of idempotent matrices and antisymmetric matrices over finite fields to construct cartesian authentication codes respectively.

第一章、第二章分别利用幂等矩阵及反对称矩阵的标准型构造了卡氏认证码。

The design can be applied to security and antiterrorism fields.

整个系统性能优越，成本低廉，可应用于安防、反恐领域。

In most fields of discourse the term is an antonym of "variable".

在很多领域中，常量也被认为是变量的反义词。

Because of your wealth of knowledge, you can succeed in any number of fields.

因为你知识的富足，你可以在任何领域中成功。

The results showed that during the research period,the fractal dimensions of paddy fields,dry land and wet areas increased obviously,whereas for forest land,shrubbery land and grass land,the fractal dimensions decreased.For all types of land,the values of landscape diversity index and landscape apartness index have increased but landscape dominance index value has rather decreased.Meanwhile it was found that the relation between fractal dimension and landscape fragmentation index showed significant positive correlation.

结果表明：水田、旱地、水域等土地类型的分形维数在研究时间段内有明显上升，有林地、灌木林地和草地等景观要素类型的分形维数降低；景观多样性和破碎度指数以及均匀度略有增加，而优势度指数下降；分形维数和破碎度指数呈极显著正相关。

Then this p aper introduces the application of simulation technology in the fields of nation al economy.

介绍了仿真技术在国民经济各个领域中的应用。

Reconstruction of normal speech from Chinese whispers can be applied in several fields, such as the private speech communication in public, reconstruction of normal speech for the aphonic individuals, the special need for the forensic work and etc.

耳语音转换为正常音，可应用于公共场所的通信、失语者的语音恢复和司法工作的某些特殊需要等方面。

ED Apochromatic Triplet Optical Design, wide fields of view , Precise optical color correction. each lenses is supplied with a interferometric test report, and granted better than 1/4 PV at 632.8nm for each Apochromatic lenses.

完美的复消色差：三片式真正的复消色差物镜，视野开阔，色彩还原逼真，每一组镜头我们都提供干涉仪检测报告，确保系统波面差的峰谷值小于1/4 λ（632.8nm）。

This paper presents a brief review of the current status of knowledge in the main fields of apomixis research.

目前大量的研究都在设法将无融合生殖作为一种重要的植物育种手段。

To the apostate He apportions our fields.

他将我们的田地分给悖逆的人。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。