中国骨科起源于医学的两大支，即祖国（传统）医学和西方医学。

Chinese orthopaedics originated in two great branches, traditional Chinese medicine and Western medicine.

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摘要：大支坪隧道岩溶发育强烈，水文地质条件和地质构造复杂，施工难度大。

Abstract: : the karst is strongly developed in Dazhiping tunnel, where the hydrogeological condition and geological structure is complex, so the construction is difficult.

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今天我们告诉你为什么修剪植物和树木的大支能够使之生长的更好的一些新的理解。

Today we tell you about some new understanding of why cutting the main branch of a plant or tree can lead to better development.

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Now, the polio vaccine that Salk produced was very effective, but it required a fairly large dose of the vaccine and it had to be injected into the arms of children.

索尔克生产的小儿麻痹症疫苗效果显著,但是,该疫苗的单支注射剂量非常大,而且必须通过小孩的手臂进行注射

耶鲁公开课 - 生物医学工程探索课程节选

Roger Ibbotson took a look at a larger group of funds -3,500--funds over a ten-year period and found survivorship bias at 2.9% per year and backfill bias at 4.6% per year.

罗杰·伊博森研究了更大的样本组,3500支基金10年间的表现,算出其生存偏差是每年2.9%,回填偏差是每年4.6%

耶鲁公开课 - 金融市场课程节选