第二块参数描述了数据的位置。
The second block of parameters describes the location of the data.
这种逻辑数据模型，使得使用第四种方法中描述的块载入工具直接载入数据库变得不现实起来。
This logic data model makes it impractical to directly load database tables by using bulk load tools that are described in the fourth method.
每个项都包含描述性元数据，其中包括一个名称、一块文本或HTML内容，以及一个指向更多信息的URL。
Each entry contains descriptive metadata, including a title, a block of text or HTML content, and a URL for more information.
数值数据块有否明确描述。比如，如果一个数字代表长度，应标明单位是英尺还是米。
Comment the units of numeric data. For example, if a number represents length, indicate if it is in feet or meters.
出现在块开始部分的数据，用于描述文件的组成及块间的关系。
Data appearing at the beginning of a block that describes the organization of the file and relationship between blocks.
出现在块开始部分的数据，用于描述文件的组成及块间的关系。
Data appearing at the beginning of a block that describes the organization of the file and relationship between blocks.
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