英文：How many people have accessed your homepage by now?
中文：到目前为止，有多少人访问了你的主页？
英文：The process of accessing information from memory or other storage devices.
中文：检索从内存或其它存储设备中获取信息的过程
英文：A procedure causing a system, process, or operation to take on its most desirable configuration or procedures in the best or most efficient way; for example, when arranging instructions and data in storage so that a minimum of machine time or space is use
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