In the 1940s, ATC centres could and did take advantage of the newly developed radar and improved radio communication brought about by the Second World War, but the system remained rudimentary.
2
这个网络与各会员国的技术机构和世卫组织合作中心一起,已经应对了50多起重大疾病暴发。
With the technical institutions of Member States and the WHO Collaborating Centres, the Network has responded to more than 50 major disease outbreaks.
3
已将这些样本送至一个世卫组织禽流感参考和研究合作中心。
These samples have also been sent to a WHO Collaborating Centre for Reference and Research on Influenza.