求翻译：摘要:联想集团并购IBM的PC业务后达到了联想品牌国际化战略的前提，也是新经济时代品牌竞争环境下联想成长的必然趋势，通过对联想品牌国际化战略实施策略和联想品牌国际化面临机遇与挑战的分析，提出了联想品牌国际化战略成功的几个核心要素： 宣布联想全球换标；收购IBMPC业务；借力奥运进军全球；成本控制与研发。是什么意思？

Summary: Lenovo Group merger IBM of PC business Hou reached has Lenovo brand internationalization strategy of premise, is new economy era brand competition environment Xia Lenovo growth of inevitable trend, through on Lenovo brand internationalization strategy implementation policy and Lenovo brand internationalization faced opportunities and challenge of analysis, made has Lenovo brand internationalization strategy successfully of several core elements: announced Lenovo global for marked; acquisition IBMPC business; take force Olympic March global; cost control and development.