NASN

NASN

美 　英

• 网络国立学校护士协会(National Association of School Nurses)；全国气体测定监视网络(National Aerometric Surveillance Network)；奈声

例句

America's space agency, NASA, has signed an agreement with Virgin that covers co-operation on the planes.

美国的太空研究机构NASN已与Virgin就飞行领域的合作签订了协议。