指父子两代。南朝 梁 庾肩吾 《书品》：“一字不遗两叶之妙。”《旧唐书·经籍志上》：“昔 马谈 作《史记》， 班彪 作《汉书》，皆两叶而仅成。”
对二叶式主动脉瓣疾病的患者通常应该进行升主动脉置换吗？
Should the ascending aorta be replaced more frequently in patients with bicuspid aortic valve disease?
粘度增大，单位体积功增大时泛能式桨微观混合效果优于二叶平桨。
In higher viscosity and higher power dissipation rate per unit mass, micromixing ability of full-zone is better than paddle impeller.
两种酶活性及增加幅度均以第二叶基部最大，尖部次之，第一叶最小。
Both SOD, POD activities and the increasing extent of SOD, POD activities were most in the second leaf base, less in the second leaf tip, the least in the first leaf.
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