Port of Entry Use Schedule D--- Classification of U. S. Customs Districts and Ports for U. S. Foreign Trade Statistics—a four digit code i. e. New York City, NY 1001.

报关港的填写依照表格D—参考美国外贸统计的港口和海关分类区的4位数字代码表。 例如：纽约城就填写NY1001。

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For this scenario, your macro needs to create four-digit numeric codes, which can range from the values 0000 to 9999.

在这种情况下，您的宏需要创建四位数的数字代码，代码值的范围从0000到9999。

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Two applications (App1 and App2) are accessing data in a Backing Map called "account bal," which contains account balances and USES the account number (a four-digit numeric string) as its key.

两个应用程序(App1和App2)正在访问名为“Account Bal”的Backing map中的数据，Account Bal中包括帐户余额并使用帐户编号(一个四位数的数字字符串)作为其键。

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All that the user needs to do is swipe the card at the existing check-out machine and enter a four digit PIN.

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The Card Verification Value number is the three or four digit number that is usually imprinted on the back of a credit card.

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The random 18-digit code plus two check digits will have a four-digit prefix added and it will have intelligence in it.

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