直接内存存取(direct memory access,DMA)引擎执行了第一次拷贝(参见图1)，它从磁盘中读取文件内容，然后将它们存储到一个内核地址空间缓存区中。
The first copy (see Figure 1) is performed by the direct memory access (DMA) engine, which reads file contents from the disk and stores them into a kernel address space buffer.
叉车可直接进入巷道内存取货物，仓库利用率高。
Fork lifter may to into the passage of each row of the rack, improving the utility ratio of warehouse.
数据存取(高级)：通过划分数据模型结构和把DAO转换成直接访问XAP内存数据网格，改进读写性能。
Data access (Advanced) : By partitioning the data model structure and converting DAOs to access directly the XAP In-Memory data Grid, read and write performance is improved.
内存是中央处理机能直接存取指令和数据的存储器。
Memory is a function of direct access to central processing instruction and data memory.
也就是说，资源不能从程序原始码中定义的变量直接存取，Windows提供函数直接或间接地把它们加载内存以备使用。
In other words, the resources can not source from the procedures defined in the variable direct access, Windows provides function directly or indirectly, they loaded memory for use.
叉车可直接驶入巷道内存取货物，极为方便。
The forklift may drive into the tunnel to deposit and withdraw the cargo directly, very convenient.
适合存储大批量、品种少的货物，叉车可直接进入巷道内存取货物，仓库利用率高。
It is suitable for storing goods of fewer warietes by great quantity, Fork lifter may to into the passage of each row of the rack, improving the utility ratio of warehouse.
适合存储大批量、品种少的货物，叉车可直接进入巷道内存取货物，仓库利用率高。
It is suitable for storing goods of fewer warietes by great quantity, Fork lifter may to into the passage of each row of the rack, improving the utility ratio of warehouse.
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