two-dimensional memory

Those who occupy two rooms are quite few. besides, they are always on the go. I haven't got such a good memory as to remember all that.

住两间房的就不多，又搭上今儿个搬来，明儿个又搬来，我没那么好的记性。

Long-term potentiation ( LTP) and long-term depression ( LTD), two forms of synaptic plasticity, are believed to underlie the mechanism of learning and memory.

长时程增强（LTP）和长时程抑制（LTD），作为突触可塑性变化的两种主要形式，被认为是学习记忆的可能机制。

Performance Comparison of Two Programming Patterns of JIAJIA: Message Passing and Shared Memory

基于JIAJIA系统的消息传递和共享存储编程模式比较

Researchers at Edinburgh University have shown how two receptors in older brains react to the stress hormone cortisol, which has been linked to memory loss in the elderly.

爱丁堡大学的研究者解释了两个老化的大脑感受器如何对应激激素皮质醇作出反应，这跟老年记忆衰退有关。

Two major areas in which mentally retarded children require help are memory and attention.

智障儿童主要是在记忆力和注意力这两方面需要帮助。