这一方法的原理是，与那些只包含一或两种类型技术的故事相比，横跨多类技术的故事要更复杂也因此需要更多的估算。

The theory here is that a story crossing many technologies will be more complex and thus have a larger estimate than stories only involving one or two types of technology.

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评估Hedgehog 或Notch通路抑制剂对多类癌症作用的临床试验正在约翰•霍普金斯及其他几家机构中进行，埃伯哈特说。

Clinical trials evaluating inhibitors of Hedgehog or Notch in a number of cancer types are currently under way at Johns Hopkins and several other sites across the country, Eberhart says.

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遍布146个国家的调查员，记录了商铺，超市以及邮件订购货单所包含的1000多类商品的价格，从500克的意大利面条到妇女的低跟鞋。

Scouts in 146 countries scoured stalls, supermarkets and mail-order catalogues, recording the price of more than 1, 000 items, from 500-gram packets of durum spaghetti to low-heeled ladies' shoes.

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Steroids are small molecules - much smaller than proteins - smaller molecules that tend to be hydrophobic or lipid soluble.

类固醇是小分子物质,比蛋白质小得多,这类小分子是非水溶性的,或者说是脂溶性的

耶鲁公开课 - 生物医学工程探索课程节选

Yeah, a lot of math, actually a lot of math.

很多数学类课程，非常多。

来美国的理由 - SpeakingMax英语口语达人

The grains in the orange side you're supposed to be eating more of those than what might be a smaller slice of the pie here, or the triangle.

相比在这个图中用小块表示的食物种类,用橘黄色表示的谷物类食物是你该多吃的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选