可选的项元数据。
All elements of the ITEM element are optional, however, at least one title or description are needed to validate the element.
ITEM元素的全部元素都是可选的,然而,至少需要一个标题或描述来验证元素。
The attributes to an item are optional, so you can omit them, as shown in Listing 7 with the individual list items.
各项的属性都是可选的,因此可以忽略它们,清单7中的列表项就没有属性。
Bad: Sometimes a schema indicates that a data item is optional when some other part of the system downstream fails without the data. Here is an optional element in XML schema.
不好的方法:有时候模式中会指示数据项为可选,但系统中其他的部分却可能因为这部分数据的缺失而失败。
The argument is optional and allows retrieving of item values for a document other than the current one being processed by the current URL.
参数是可选的,允许检索文档的项值,而不是正被当前URL处理的当前项值。
This item is optional; if it's not included, the WrappingJDBCDriver USES its own class loader to locate the driver class.
该项为可选项;如果不包括此项,WrappingJDBCDriver会使用自己的类加载程序来定位驱动程序类。
You supply the new cached item and optional expiration and dependency values to use when refreshing the cached item.
刷新缓存项时,需提供要使用的新缓存项和可选的到期值和依赖项值。
You supply the new cached item and optional expiration and dependency values to use when refreshing the cached item.
刷新缓存项时,需提供要使用的新缓存项和可选的到期值和依赖项值。
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