The closer the ratio is to 100 percent, the lower the frequency of disk I/O, and therefore the less overhead of reading data.
命中率越接近 100%，磁盘I/O的频率就越低，因而读取数据的开销就越少。
This article assumes familiarity with the networking and I/O libraries for making socket connections and reading streams, respectively.
本文假设您熟悉连网和I/O库，这两方面知识将分别用于socket连接和读取流。
The I/O might involve reading data from a disk, or a database, or a web service, or even from a user.
I/O可能涉及到从一个磁盘、一个web服务或甚至是一名用户读取数据。
Ming made candle, reading o. Grain filling body, and books enrich wisdom.
造烛求明，读书求理。粮食补身体，书籍丰富智慧。
Andy o 'brien, a tour guide in the UK, followed Harvard's admission reading list for years.
安迪·奥布莱恩是英国的一名导游，他已追随哈佛大学入学阅读清单多年。
Select a new position for easy reading of the scale and reinstall the handwheel with the "O" mark located at the bottom pointed in this direction.
选择刻度上容易观察的新位置重新安装手轮，使其位于底部的“O”标志指向这个方向。
Streams are a portable way of reading and writing data. They provide a flexible and efficient means of I/O.
流是（表达）读写数据的一种可移植的方法，它为一般的I/O操作提供了灵活有效的手段。
Streams are a portable way of reading and writing data. They provide a flexible and efficient means of I/O.
流是（表达）读写数据的一种可移植的方法，它为一般的I/O操作提供了灵活有效的手段。
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