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The influence of atomic radius to catalystic activity was firstly proposed.

通过对催化剂、反应时间和反应温度的优化，得到了最佳催化条件。

The success of your career depends firstly on the long-rang ideal and Attic faith!

事业的成功首先要有远大的理想和坚定的信念。

Firstly, The sufficient con-ditions of the existence and uniquity of the positive equlibria by applying functional derivative isobtained; Secondly, the global attractability of the positive equlibria is investigated by charateristicroots theory and oscillation theory; Thirdly, regarding the delay as a parameter, conditions of theexistence of Hopf bifurcation and the peridic solution, furthermore, the form of the approximateperidic solution are obtained; Finally, Some specific examples are given and the solution diagrameappears by Matlab.

首先利用导数性质，得到了该模型正平衡态存在惟一性的充分条件；其次，利用特征值和振动性理论得到了该模型正平衡态全局渐近稳定性充分条件；然后，应用Hopf分支理论证明了该模型Hopf分支及近似分支周期解的存在性，并给出了周期解的近似表达式；最后，借助于MATLAB数学软件，举例并绘出了模型数值解的拟合图象，验证了文中定理条件的可行性。

Firstly,the authoress analyzes severaljurisprudential points of the view on the logic structure of legal rules,andexpounds his own opinion on the logic structure of legal rules.

首先对法理学界有关法律规则的逻辑结构的几种观点作了分析，并阐述自己对法律规则逻辑结构的认识。

Firstly the national autocratic monopoly situation in China telecom industry is analyzed in this article.

本文首先对中国电信业的国有独家垄断形势进行了深入分析。

Firstly, it is a humanized education rooted on human establishing to enrich the students soul, developtheir personality, realize their autoeroticism, self-choice and self-perfection; Secondly, it is a spiritual education, which helps the students to find their spiritual homestead, expand their spiritual space, contradicting their spiritual mediocrity.

我认为，文学教育首先是一种人化教育，以"立人"为根本，旨在丰富学生的心灵，发展学生的个性，实现学生人格的自我反省、自我选择和自我完善。其次是一种精神教育，是让学生寻找精神家园的活动，可以拓展学生的精论中学语文教学中的文学教育神空间、对抗学生精神的平庸，为学生打下"精神的底子"。

Firstly, basic concepts of cellular automata and evolutionary algorithm are introduced.

本文开头介绍了细胞自动机和演化算法的相关知识。

Then put forward the LabVIEW-based line-Loss on-line automatic computation and analysis management system of 10kV distribution networks. Firstly, through numerous studies, we compared and summarized typical algorithms of distribution network energy losses calculation.

论文首先通过大量研究，在总结、对比各种常用的配电网线损计算方法的基础上，提出了基于SCADA系统遥测数据的等值电阻法。

We firstly summarize the NN system modeling methods and the popular optimization algorithms, and point out the deficiencies, the limitation of noise cancellation modeling and the need of human intelligence participation, in our former optimization work after analysis. An abstract problem is extracted. It is to find out control variant that makes system output optimized using the data comprising a sample set with N x samples and their corresponding y, and it does not explore given system and achieves full automatic computation procedure. Next we propose a multi-variant controlled system optimization method utilizing CASSANDRA-I small type neural computer and program its application software. Moreover systematic experiments are made to demonstrate the method's validity, ability of noisy samples disposal and practical application.

我们总结了神经网络系统建模方法以及得到广泛采用的优化算法，并分析指出我们前阶段的优化工作中存在的去噪声建模有局限性和计算过程需人干预的不足，在此基础上把问题抽象为：已从系统获得含N个控制量样本的样本集S以及每个样本对应的系统输出，如何依据这些数据求出一个使系统输出y得到优化的控制量x，而不研究具体系统，实现不需要人智能参与自动完成的计算过程；提出应用人工神经网络硬件系统——CASSANDRA-I小型神经计算机的多变量控制系统优化方法，设计完成了其应用软件；并进行系统的实验工作，验证算法的有效性以及此方法处理带噪声样本和实际应用能力。

In this paper the characteristics and difficulties of "Automatic Control Theory" are introduced firstly.

首先介绍了"自动控制理论"的特点和难点。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。