backing store

基本解释

Registry and Repository uses a relational database as its backing store.
Registry and Repository 使用關系數據庫作爲其支持存儲區。
The following code example shows how to read and write data using memory as a backing store.
下麪的代碼示例說明如何通過將內存用作備份來讀取和寫入數據。
The first two classes, ArrayBlockingQueue and LinkedBlockingQueue are nearly identical, differing only by their backing store and that LinkedBlockingQueue is not always bounded by capacity.
前兩個類 ArrayBlockingQueue 和 LinkedBlockingQueue 幾乎相同，衹是在後備存儲器方麪有所不同， LinkedBlockingQueue 竝不縂是有容量界限。

An enormous 1TB(1) hard drive provides generous space to store content and an optical drive is included for backing up valuable data.
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a computer storage device, usually a disk, that provides additional storage space for information so that it can be accessed and referred to when required and may be copied into the processor if needed