Theory researchers do n ' t begin to notice company ' s optical scale and moderate degree of multiple operation worthy of researching field and so on until these years . enterprises begin to straighten out company ' s business , contract competitive fi eld and achieve obviously 直至近几年一些企业家开始对公司经营业务进行整理,收缩战线并取得明显成就后,理论界才开始注意到公司最优规模、多元经营的适度问题等具有非常重要价值的研究领域。
The characteristics of sa and ga are analyzed intensively , which involves search mode , the mathematical analysis and experimental aspects of the underlying processes in the algorithms , convergence discussion and detailed operation procedures . then the modified versions are presented . these new algorithms are mossa ( multiple operation structure sa ) , nga ( normalized ga ) and hga ( hybrid ga ) 在以上分析研究基础上,结合水声信号处理的特殊性,在第四章提出了多操作结构模拟退火算法( mossa ) ;第六章提出了改进的ga算法,如归一化遗传算法( nga ) ,变结构遗传算法和混合式优化算法等,并对其进行了基本性能分析评估。
On the basis of investigation into the basic situation of the seamless steel pipe industry of our country , and by using industry organization theory and sorter ' s competition forces model , a detailed analysis is made on the present situation , ambient condition , organizational structure and competiveness of the industry , and the integral development strategy concept of total quantity control and structural reform and three strategic modes of establishing big scale strategic corporation , one point focus strategy and multiple operation strategy to realize the strategy concept is proposed hi this paper in order to strengthen centralization and speed up the structural reform of the whole industry so as to enhance its international competitiveness and profit making capacity 本文在调查研究我国无缝钢管行业基本情况的基础上,应用产业组织理论和波特竞争力量模型对行业的现状、环境条件、组织结构和竞争性进行了比较详细的分析,并据此提出了控制总量、调整结构的总体发展战略思路和组建大型战略集团、集中一点战略和多样化经营战略三种实现这一思路的战略模式,以提高行业的集中度和加速整个行业的结构调整。从而提高行业的国际竞争能力和赢利能力。
The multiple operation business in electric power system has many rates in occupation . this type of business will replace the occurrence mutation along with the electric power system reforming , its scope of business , operate the mode , capital composition to will take place the deep variety along with reformation of the electric power system 电力系统的多种经营企业(以下简称多经企业)在电力系统中占有一定的比率,多经企业必将随着电力体制的变革发生突变,其经营范围、经营模式、资本结构必将随着电力体制改革的深入,发生深刻变化。