Cranberries have become a major cash crop.越橘已经成了主要经济作物。The cash dividends they get from the cash crop would sustain them during the lean season.从经济作物中获得的收益能帮助他们度过不景气的时期。I guess you could say it's the ultimate cash c...
Objective To observe the application of viscoelastics in penetrating keratoplasty.目的探讨黏弹剂在穿透性角膜移植术中应用的意义.Objective To investigate the clinical value of deeper lamellar keratoplasty treating keratoconus.目的探讨深板层角膜移植治疗圆锥角膜的...