3 . there are nine factors that need to be mainly considered in controlling the effectiveness of the strategic alliance . they are adequate environmental analysis , objective and scientific alliance planning and preparation , precisely and carefully choosing alliance partners , fully recognizing the risk in alliance , clearly defining rights and liabilities , equally and trustfully communicating and coordinating , conducting appropriate control over the alliance process , emphasizing on the study during the alliance , and designing the development and withdrawing strategies for alliance process 战略联盟有效性的控制主要考虑如下九个方面的因素：充分的环境分析；客观、科学的联盟计划和准备；审慎、认真地选定联盟对象；充分认识到联盟的风险；明确的权利和义务的划分；平等、信任地加强经常性的沟通和协调；做好战略联盟的控制工作；重视联盟过程中的学习；规划好联盟的发展与退出。
