When users need a block of memory, they make a request for a given size.

当用户需要一块内存时，就请求给自己分配一定大小的内存。

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Memory-mapped files are an operating system feature that links a block of memory to a file.

内存映射文件是把一块内存连接到一个文件的操作系统特性。

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An overflow occurs when data is added to the buffer outside the block of memory allocated to the buffer.

溢出是指数据被添加到分配给该缓冲区的内存块之外。

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Because memory takes time to form, he conjectured that drugs which block the action of these hormones soon after the trauma might decrease the intensity of the memory.

ECONOMIST: Memory and emotion: Thanks for no memory | The

Access to stimulating activities appeared to block the harmful effects of oligomers on the cellular mechanisms underlying learning and memory, called long-term potentiation (LTP), researchers said.

WSJ: Why Young Children Don't Notice Coming Cars