Gets a value that indicates whether this module exists only in memory.

获取一个指示此模块是否只存在于内存中的值。

youdao

Dynamic modules that exist only in memory are called transient dynamic modules.

仅存在于内存中的动态模块称为瞬态动态模块。

youdao

It'll never be as fast to store things in a stable database format on disk as to keep them only in memory, but there's still plenty of room to speed things up.

以稳定数据库格式将数据存储在磁盘上永远都不会像把它们存储在内存中那样快，但存储速度仍然有很大的提升空间。

youdao

So both of these stories involve floating point values, but only in this case am I actually allocating memory.

所以这两个故事都涉及到浮点类型，但是只有那样我们才能真正地分配到内存。

哈佛公开课 - 计算机科学课程节选

Good roads exist only in the memory of those old enough to remember better days.

ECONOMIST: Haiti

Instead they are only used in the memory directly attached to a phone's processor.

BBC: Frozen Android phones give up data secrets

Obama is the only president in recent memory never to have successfully placed a nominee on the D.

CNN: Obama nominee for federal appeals court withdraws