Methods To divided 121 selected objections into control group (56) and strengthgroup (65) according the in-patient flow number.
对选定的121例研究对象按住院流水号随机分为对照组（56例）和强化组（65例）。
2
Will join the WTO other towns along with China to have the strength the development enterprise also to enter the market, the rich strengthgroup will be facing the unprecedented challenge.
随着中国加入WTO外埠有实力的开发企业也将进入市场，富力集团面临着前所未有的挑战。
3
This article take the rich strengthgroup as the research object, first analyzes the rich strengthgroup the present situation, pointed out it has the ability resources and has marketing ability.