字段中的默认值很可能是通过使用upc符号作为键值从一个数据库或运营系统中检索到的。
The default values in the field would most likely be retrieved from a database or operational system, using the UPC symbol as the key value.
在这种情况下，返回R PG的行取决于创建键逻辑文件时使用的是哪个用于处理DDS关键字的重复键(LIFO(默认值)、FIFO或LCFO)。
In this case the row returned to RPG is dependent on which of the duplicate key handling DDS keywords (LIFO (default), FIFO or LCFO) were used when creating the keyed logical file.
此外，需求的使用还可以通过use属性设置为required,optional或prohibited(默认值为required)。
Additionally, a usage of the requirement can also be set as required, optional, or prohibited through the use attribute (the default value is required).
如果应该使用默认值，那么这个参数可以是空字符串或NULL。
This parameter can be an empty string or NULL, if defaults should be picked.
您可能需要使用此方法将适当的默认值或错误消息输出到将要刷新的屏幕中，或者可能将整个浏览器重定向到错误屏幕中。
You'll probably want to use this method to put a nice default or error message in the part of the screen you were about to refresh, or perhaps redirect the entire browser to an error screen.
如果是NULL或' '，那么使用默认值。
否则，所有使用默认值的参数选择将被参数选择存储返回为0或null。
Otherwise, all preferences that are at their default values will be returned by the preferences store as 0 or null.
向现有方法添加新参数，只要心参数具有一默认值，这样一来，已使用该值得代码就不会发生错误或给出警告提示。
Adding a new argument to an existing method, as long as the new argument has a default value so that code that already USES it doesn't give warnings or errors.
元素的类型不允许使用固定值约束或默认值约束。
Element's type does not allow fixed or default value constraint.
当使用选择我要推荐的设置是在选择列表或元组的默认值。
When using choices I'd recommend setting a default value which is in the choices list or tuple.
每个变量的最后一个值是在一个会议上记忆，而且这也可以作为同一个变量时，再次使用的默认值，在相同的公式或其他公式。
The last value of each variable is memorized within one session, and it is offered as default value when the same variable is used again, in the same formula or in another formula.
使用新的策略默认设置重写一个或多个用户以前指定的值或以前的默认值。
Using new policy defaults that override one or more of the previous user-specified values or previous defaults.
使用新的策略默认设置重写一个或多个用户以前指定的值或以前的默认值。
Using new policy defaults that override one or more of the previous user-specified values or previous defaults.
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