Strong advances in the remaining polio endemic areas and the recent introduction of new tools have moved the global polio eradication effort into its final phase in all but one country of the world.
剩余脊髓灰质炎流行地区的强劲进展和最近采用新的工具已经在全世界除一个国家外的所有国家将全球根除脊髓灰质炎努力推进至其最后阶段。
This can be done during the introduction phase as a way of breaking the ice.
这种方式可以再自我介绍部分后以打破僵局的形式来完成。
After a brief introduction of the two-phase excitation scheme, the flux linkage model of a SRM under two-phase excitation is developed using FEA.
文中首先简要介绍了这种两相励磁系统的结构,然后提出了两相励磁下SRM的磁链模型。
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