寫操作的用法和樣例：
例句
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磁鼓或磁碟表面上的一組磁軌，可以并行地對它們進行讀／寫操作。
A group of tracks on a magnetic drum or on a magnetic disk all of which are read or written in parallel. -
當順序寫操作超出文件原長度時，在文件末端另分配給該文件的空間量。
The amount of space to be allocated at the end of a file each time a sequential write exceeds the allocated length of the file.
