教学目的的正确定位是教学质量提高的关键因素。
The right orientation of teaching purpose is the key element in the raising of teaching quality.
在这种情况下，我们必须要正确定位底部不倒翁第一。
In that case, we'll have to correctly position the bottom tumbler first.
奥巴马正在努力寻找一种可使他在历史上正确定位的方法。
Obama is clearly trying to work out an approach that puts him on the right side of history.
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