Obviously, the 0 should be at the left edge of the ruler, but if we place the two - and three-digit Numbers at the 72-pixel points, they will appear unbalanced.

显然，数字0应该在标尺的左边缘位置，但是如果我们将那些两位数和三位数的数字放置在那些72像素点，它们看起来会不平衡。

youdao

In subtraction, one never "carries" a digit or bit on to the next left place-weight.

在减法，一个从来没有“携带”数字或比特的下一个离开的地方体重。

youdao

You can use [: digit:] in place of [0-9], and [: alpha:] is a more portable replacement for [-a-za-z0-9_]. For example, you can strip all punctuation from a string by using the statement.

您可以使用[：digit：]代替[0 - 9]，并且[：alpha：]是比[- a - zA - z 0 - 9 _]更具有可移植性的替代者。

youdao

Glancing at the bottom, this is pretty arbitrary, but I chose to format my string as follows: % 1f so at the bottom here I'm printing out %.1f, which quick sanity check means print just one digit after the decimal place.

看下这个底部，这个是相当随意的，但我选择把我的字符串格式化成这样：,所以在这个底部我打印输出，提醒一下，这是一个只打印出,小数点后一位的方法。

哈佛公开课 - 计算机科学课程节选

It slipped into second place on our list of the fastest-growing tech companies but still shows triple-digit annualized revenue growth over the past five years.

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