查询词典 decimal arithmetic

If D is a decimal digit in the range 1-9, then outputs the text that matched sub-expression D.

如果D是1-9范围内的数字，那么输出子表达式D匹配的文本。

A group of four, i.e., four pulses used to express a decimal digit or a hexadecimal digit.

4个数位一组，用以表示十进制或十六进制中的一位数字的4个脉冲。

A Currency field is accurate to 15 digit s to the left of the decimal point and 4 digit s to the right.

一个"货币"字段能精确到小数点左侧 15 位和小数点右侧 4 位数字。

Rather than using a range of "0–9," you may simply use "\d" to indicate the match of any decimal digit.

我们来看几个运用这些简写形式的稍复杂的例子

The decimal point on the seconds digit is turned on when sync is detected and turned off when sync is lost.

秒小数点的数字时打开同步检测并关闭时，同步丢失。

Where N is a decimal digit representing a sub-match.

其中 N 是一个十进制数字，表示某个子匹配。

D Match any decimal digit, same as [0-9] \D is inverse of \d: do not match any numeric digit

d 匹配任何数字，和 [0-9] 一样 \D 是 \d 的反义：非任何数字

When rounding off is required, consider only one digit in the decimal place to the right of the last place in the limit expression.

当需要修约时，仅考虑限度表达值末位的右边的一个数字。

Jorge Luis Borges would have liked the idea: since presumably few people care about what will happen on 1 January 3000, this must be the tiniest topic to which a conference series, or for that matter a conference, has been or will ever be devoted in the history of humanity: a single decimal digit.

Jorge Luis Borges喜欢这样的一个想法：既然推测起来极少有人会关心3000年一月一日将会发生的事，那么这一定是一个会议系列或相关会议中的最极小的主题，或者已经成为人类的历史了：一个单一的十进制数字。

As a simple example, no algorithm can be constructed to decide whether seven consecutive 1's occur in the decimal expansion of .

举个简单的例子，不存在这样一个算法用于判定在的十进制表示形式中是否存在7个连续的1。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。