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An algebraic classification of the systems is given, and the global phase portraits of systems are studied.

值得指出的是，这一方法适用于具有星形结点的一般多项式微分系统。

A new attack—algebraic att-acks is studied in this paper.

本文主要研究了一种新的攻击方法——代数攻击的提出和发展。

The carboxymethyl soybean polysaccharides had been synthesized and the mechanical strength, solubility, bacteriostasis of algin, algin carboxymethyl soybean polysaccharides alloy membrane had been studied.

用氯乙酸作为羧甲基化试剂合成了羧甲基大豆多糖；测定了羧甲基大豆多糖、褐藻胶、褐藻胶-羧甲基大豆多糖合金膜的机械强度、溶解性；并对其肠溶性、抑菌性也作了探讨。

Use of chitosan and sodium alginate in treating effluent from dyeing and finishing process was studied.

介绍了联合使用甲壳胺和海藻酸钠处理染整废水的处理方法。

Simultaneously,alginate composition showed be determined and preparation of its special samples be studied.

并对海藻酸钠的结构组成和特种海藻酸钠品种的制备进行了探讨。

With an experiment,the effect of Cd2+ for 0～5 mg/L on physiological characteristics of alfalfa varieties Algonquin and Xinjiangdaye was studied.

试验表明，优良牧草紫花苜蓿的两个品种中，阿尔冈金对Cd2+胁迫的耐受能力要强于新疆大叶。

The ECC theory was studied in this paper. Polynomial was used to complete the hardware design of all kinds of algorithm including multiplication, division, point addition, point doubling和 point multiplication in GF (2m).

本文研究了椭圆曲线密码学理论，采用多项式基实现了椭圆曲线在有限域GF(2m)中各种运算的硬件设计，这些运算包括乘法、除法、点加、倍点和点乘，并用软硬件结合的方式实现了ECC的加/解密流程。

Theory of genetic algorithm is studied , and the affect of genetic parameters to the evolutionary process is analyzed.

本文深入研究了遗传算法的机理，分析了遗传参数对进化过程的影响。

They are summarized as following:Firstly, the theory of genetic algorithm and classic image enhancement methods is studied.

本文的主要工作如下：对遗传算法的原理和传统的图像增强技术进行了深入的研究。

The curing procedure of bisphenol A cyanate ester resin modified by copolymerization with epoxy E-51 and alicyclic epoxy resin R-122 was studied by differential scanning calorimetry.

采用示差扫描量热法对缩水甘油醚类环氧树脂(E-51)与脂环族环氧树脂(R-122)共同改性的双酚A型氰酸酯树脂的固化反应历程进行了研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。