But monitoring evidence suggests that what is really driving poaching is the illicit ivory markets that are flourishing across Africa, as well as in Vietnam and Myanmar.
但是监测的证据表明,真正对偷猎活动起到推动作用的是遍布非洲猖獗的象牙交易黑市,在越南及缅甸也存在这样的黑市。
Monitoring of viruses from multiple outbreaks has detected no evidence of change in the ability of the virus to spread or to cause severe illness.
通过对多次暴发中的病毒进行监测,尚未发现证据表明,该病毒的传播力或导致严重病症的能力发生了变化。
WHO has been monitoring epidemiological and virological evidence from all parts of the world, including both Northern and Southern Hemispheres, to determine when the pandemic is over.
世卫组织一直在监测来自世界所有地区(包括南、北半球)的流行病学和病毒学证据,以决定大流行的结束时间。
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