It is formed of alternating layers of aluminium oxide and sodium ions .

钠β-氧化铝是由氧化铝和钠离子的交替层组成。

It was alternating between recording towers behind me and towers in front of me .

可以看到它其实是在交替记录我身前和身后的基站信息。

From the time , the seismic active period and a period of quiet alternating cyclical phenomenon .

从时间上看，地震有活跃期和平静期交替出现的周期性现象。

Until the coup , thailand seemed to be escaping its historic cycle of alternating military dictatorships and weak civilian rule .

直到上次政变，泰国看起来正在摆脱它的历史循环：军人独裁统治与虚弱的平民统治交替上演。

Researchers recorded spontaneous utterances of both young and adult monkeys and tallied how often each broke the rules of alternating calls .

研究人员记录了幼年和成年的猴子自发对话的过程，然后计算它们在对话过程中打破交替叫喊秩序的频率。