This paper makes a study on transnational corporation market entrance,analyses the situation of transnational corporations s entry into China s market,and proposes the international market entrance strategy for China s enterprises.

Network externality,flexibility and market-entry decision;

A Study on Market Strategy of Copyright Protection for Software Products with Network Externalities;

According to the different features of innovative products in all stages of the lifecycle, it carves up the market structure of innovative products, analyzes the features of it, and sets down suitable market strategy in all stages of the lifecycle.

According to the study of Chinese high-tech firms,this paper analysis the relationships among product s innovation type、financing choice and firm s product-market strategy.

This study has summarized its problems of current status and put forward some constructive suggestion on the marketing strategy.

When developing, the enterprises will be influenced by both external and internal factors, besides the national governments preferential policies , the enterprises themselves should select a flexible marketing strategy.

The fourth part of the article are the main contents of the article, focusing on the advantages from the enterprise disadvantage, ICT marketing organizational structure and targeting, product planning, brand marketing, many aspects, such as the implementation of the strategy of China Telecom\'s ICT marketing strategy analyzed and summarized.