Primary memory is known as random access memory(RAM) and simple named memory.

主存储器又称为随机存取存储器，简称内存。

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A computer system could not operate without main memory, also called internal memory, primary memory, primary storage, random access memory(RAM), or simply memory.

没有主存，一个计算机系统则无法工作，主存又可以称作是内存，基本内存，基本存储，随机存储器，或单内存。

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The explanations for recency effects in immediate free recall are reviewed in this paper. Recency effects have often been attributed to output from primary memory.

本文对自由回忆中新近效应的所有各种解释提出了所依据的记忆理论，加以分析比较。

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Because on second exposure there's another population of cells that I haven't mentioned before that remain after the primary exposure and those are called memory cells, they're down here.

因为在再次免疫中,有另外一些细胞,我之前并没有提到过它们,在初次免疫结束后保留下来的细胞,被称为记忆细胞,它们在下面

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However, SSDs are currently much more expensive per GB than HDDs, leading to slow adoption of SSDs as primary memory components.

FORBES: Seagate Smells Like $38 On Simmering Storage Demand

Nowadays, all leading laptop manufacturers are offering laptops with a hybrid HDD-SSD primary memory and high-end, high-performance laptops with complete SSD memory.

FORBES: Seagate Smells Like $38 On Simmering Storage Demand

All tablet computers use solid state memory chips as their primary storage memory since HDD memory generally is comparatively unresponsive and bulky.

FORBES: Seagate Smells Like $38 On Simmering Storage Demand