另外6个片段则可溯源至北美猪流感的爆发，并混合了禽流感、猪流感和人流感病毒。
The other six can be traced to the North American pig outbreak, which turned out to include a combination of avian, swine and human flu.
这么规划的话，佐剂可以与任何引发流感爆发的病毒的抗原混合。
With such a plan, adjuvants will then be mixed with the antigen of whatever virus emerges as the pandemic strain.
在使用固体燃料的火箭中，燃料混合物的反应比较缓慢而稳定，而不是爆发性的。
In a solid-fuel rocket the reaction of fuel mixture is relatively slow and steady rather than explosive.
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