Objective To compare the therapeutic effect and anti-inflammation competency of inhaled corticosteroids(ICS)combined with slow-release theophylline(SRT)to double-dose ICS in asthmatics.
目的比较吸入激素（ICS）联合缓释茶碱（SRT）和双倍剂量ICS对中重度哮喘患者的疗效及抗炎作用。
2
In particular, women hoping to become pregnant are advised in many countries to take double the recommended dose of folic acid.
特别是想要小孩的女性。在很多国家，医生都建议她们摄入两倍于一般剂量的叶酸。
3
Men with a doubledose of the gene were twice as likely to have troubled marriages.