But the top U.S.diplomat for Afghanistan has told the British broadcaster a rerun of the tainted election is "out of the question."

VOA: standard.2009.09.11

If I go back to that code from a moment ago, and I just rerun math3, notice how many places printed after the decimal point -- two?

如果刚才我回到那段代码中去，我们回到math3，请注意在小数点后面,会打印几位数呢--两位？

哈佛公开课 - 计算机科学课程节选