NNR怎么记

A new concept of regional No-Net-Rotation ( NNR) reference frame for researching crustal movement is proposed. The GPS data observed in Chinese mainland and the surrounding areas is processed by use of this reference frame and a new crustal movement velocity field is obtained.

提出了在地壳形变研究中区域无整体旋转基准的概念，并用区域无整体旋转基准对中国大陆及周边地区的GPS观测数据进行了处理，给出在该基准条件下区域地壳运动速度场。

According to the degradation status of Honghe NNR's water resources and its wetland ecology developing rules, it is believed that the water needs amount of the reserve should be analyzed and calculated based on the two processes of static water needs and dynamic water needs.

基于洪河国家级自然保护区水资源退化现状及湿地生态规律，认为洪河保护区水资源需求应从动态需求和静态需求两个方面来综合分析与计算。

However, only 45.5% of the carnivores distributed within the Qinling Mt. were detected within NNR.

分析表明，保护区的有蹄类动物物种丰富，秦岭分布的有蹄类在该区域均有分布，但食肉动物种数仅占整个秦岭地区的45.5%。