It is also important to note that the storage is fully usable.

还需要重点注意的是，存储器是完全可用的。

youdao

The storage and the usable amount of soil water resource vary with the situations of meteorology, irrigation and crop growing.

土壤水储存量和土壤水可利用量随气象条件、灌溉以及作物状况不断变化；

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The product is applied to transportation and storage of liquid nitrogen, liquid oxygen and other mediums. The adiabatic efficiency is excellent and the usable duration is long.

该系列产品用于液氨 液氧等介质的运输和贮存，产品绝热性能好行用受命长。

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It comes with only about 2.5 gigabytes of usable storage, compared with a more typical 16 gigabytes on other phones, though you can expand the storage by buying a larger memory card.

WSJ: Personal Technology: A $19 Unlimited Phone Plan

In the 64GB model, I suppose I can accept 45GB of usable space, but seeing the available storage of the 32GB model halved is downright egregious.

FORBES: It's Time For Windows Tablet Manufacturers To Advertise Usable Storage Space

It's not the only Android phone with storage space less than advertised -- visit our More Coverage link to see how the Droid RAZR Maxx's 16GB of storage magically transforms into 8GB of usable space.

ENGADGET