nr的翻译，读音

例句

We recorded 87 units in nr altogether. 实验共记录了87个中缝核单位。

nr activity was higher in early stage and then lower. 灌浆前期硝酸还原酶活性较高，后期迅速降低。

There are many problems of ecotourism development in nr. 自然保护区的生态旅游业的发展存在许多问题. 。

nr: How can teachers motivate children in the classroom? 在实际教学中教师如何激发孩子的学习动力? 。

The activity of nr degraded as the grouting course conducting. 硝酸还原酶活性随灌浆进程的推进呈逐渐降低的趋势。