Objective:To study the value of basket extraction for removal of retained biliary tract stone via T tube.

目的：探讨经T管网篮取石术治疗胆总管残余结石的应用价值。

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You pass the great stone halls of, say, M. I. T., and there cut into the stone are the names of the scientists.

你走过，比方说，麻省理工学院的宏伟的石头大厅，那里的石头上刻着科学家的名字。

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The boy threw a stone at the dog but didn\’t hit it.

那孩子用一块石头朝那只狗扔去，但没击中。

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It wasn't just the beauty of the polished stone block walls or the fact that this abandoned city sits atop a narrow ridge more than 2400 meters above sea level.

VOA: standard.2009.12.15

All I needed to do was to chip away the excess stone, to get rid of the marble that shouldn't have been there.

我只要凿去多余的石头，只留下有用的。

哈佛公开课 - 幸福课课程节选

You've got plenty of stone circles that don't have henges, and plenty of henges that don't have stone circles.

BBC: Discovering Britain��s prehistoric stone circles

If you can't find stone-cut oats, steel-cut Irish oats also work.

WSJ: Sean Brock's Oats Risotto With Peas and Pecorino | Slow Food Fast

White House press secretary Robert Gibbs indicated last week that Obama's offshore plans aren't set in stone.

CNN: STORY HIGHLIGHTS