不过，在实际情况中，目前在Internet上与并行Web技术一起使用的事实上的格式并没有为新数据格式的扩展提供很多的灵活性，也没有提供更丰富的语义。
In practice, however, the DE facto formats used today on the Internet with parallel Web techniques do not offer much flexibility for extension to new data formats and richer semantics.
其中数据库文件格式用于数据库数据加载和存盘，数据库进程调度用于解决数据库的并行访问问题。
The database file format was used for loading and saving data of database, while the database process schedule was used for solving the questions of parallel data accessing.
通过推导证明了只有使内边界数值通量守恒才能使并行后的总体数值格式是守恒的。
Through derivation the present thesis proves numerical value flux conservation of sub-domains interface boundary can make parallel numerical schemes conservative.
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