Before starting to memorise a number, they associate a person or object with each four-digit number from 0000 to 9999.
在开始记一长串数字前，他们先四个四个细分，然后再将这些0000到9999的数字段和某个人或事物关联起来。
In other words, a purchase order containing a line item with a four-digit number in the Quantity element would be considered invalid.
换句话说，购买订单中的条目如果Quantity元素是四位数字，则认为是无效的。
The regular expression is changed to locate a four-digit number, followed by a dash, followed by a three-digit alphanumerical sequence.
将正则表达式修改为寻找4位数字，后面跟一个连字符，最后是3位的字符数字序列。
It is a four-digit number printed on the label which will be attached to the back of your ID during the check in procedure, on the day of the test.
在考试当天进场时，您的身份证件背后贴的标签上的四位数字的号码就是您的考号。
The regular expression for Australia, shown in Listing 8, includes the state or territory abbreviation, the required space (either one or two), and a four-digit number.
用于澳大利亚的正则表达式包括州或地区的简称，需要的空格(一个或两个)，以及一个四位数，如清单8所示。
Use a two-digit number to specify a size in points.
使用两位数字来指定一个字体的大小。
Please change your initial PIN to any six-digit number which you can easily remember but is difficult for others to detect.
请尽快将您的初始私人密码更改为一组易于记忆，但他人难于测悉之六位数字号码。
In other words, the number multiplied by itself 13 times produces the 200 digit number originally generated by the computer.
换句话说，这个数字的13次方就是计算机抽取的那个200位数。
Each level consists of nine stairs, as the number "nine" - the largest single digit number - represents the ultimate sovereign power of the emperor.
圜丘坛的每个阶层有九节台阶，九在中国古代曾经被认为是最大的数字。
It is free to call inside the campus (the last 4 digit number). If you want to dial outside the campus (including mobiles), please dial 0 first then the other digits.
房间内可免费拨打校内电话(电话号码后四位)。如拨打校外电话时请先拨零。
For example, a postal code in the United States is a five-digit number, optionally followed by a dash and a four-digit number. Listing 1 shows the regular expression that describes that format.
例如，在美国邮政编码是一个五位数，后面还可能跟有一个破折号加一个四位数。
For example, a postal code in the United States is a five-digit number, optionally followed by a dash and a four-digit number. Listing 1 shows the regular expression that describes that format.
例如，在美国邮政编码是一个五位数，后面还可能跟有一个破折号加一个四位数。
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