Radiation levels have been monitored by the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), which operates 63 surveillance stations around the world.

全面核禁试条约组织(CTBTO)筹备委员会在世界各地设有63个监视站，正在对辐射水平进行监测。

youdao

Radiation levels are being monitored by the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), which operates 63 surveillance stations around the world.

全面核禁试条约组织(CTBTO)筹备委员会在世界各地设有63个监视站，正在对辐射水平进行监测。

youdao

Also following the 2004 tsunami, UNESCO-IOC and the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) agreed to explore the potential of using data from the International Monitoring System (IMS) for tsunami warning purposes.

UNESCO: NATURAL SCIENCES