In order to prevent premature convergence,the allied strategy of human being is introduce into GAs,and a parallel genetic algorithm based on the allied strategy (PGAAS) is presentod.

This article mainly tries to analyze the rational choice question in the marital strategy from the sociological perspective,aimed at awareness and understanding the legitimacy of marriage strategy.

Brief Discourse on Man-Mongol Nationality Marriage Alliance Policy s Characteristics and Effectof the Qing Dynasty;

An Inquiry into the Effect of Strategic Alliance on Cumulative Abnormal Return Regression Analysis;

Focused on agricultural products production-selling in agriculture industrialization, which is vertically integrated to optimize agricultural product supply chain with electronic commerce, this paper horizontally builds strategic alliance.

By having an analysis on the causes for the formation of strategic alliance,the selection and safeguarding of the targets for alliance,as well as the evaluation of effects brought by strategic alliance,the article points out that strategic alliance has practical and directive significance for the improvements of our national enterprises abilities in competition.

With the clarification on the associative mechanism of English vocabulary learning,the paper makes a survey on the training of associative strategy in intentional English vocabulary learning.

Based on the theory of semantic network and cognitive processing, the paper focuses on the application of associative strategy in the explicit teaching of vocabulary.