在指派同一资料类型的相邻区块时，这块记忆体栏位称为缓冲区。
When contiguous chunks of the same data types are allocated, the memory region is known as a buffer.
说明如何自订资料库结构描述中所未定义之资料栏位类型的外观与行为。
Shows how to customize the appearance and behavior of data field types that are not defined in the database schema.
说明如何自订资料库结构描述中所未定义之资料栏位类型的外观与行为。
Shows how to customize the appearance and behavior of data field types that are not defined in the database schema.
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