它标志着世卫组织第一次运用其组织法权力，颁布一项国际卫生条约。
It marked the first use of WHO's constitutional authority to issue an international health treaty.
介绍了新型机械冷板冷藏车研制简况，主要性能与结构特点和第一次运用情况。
The development general of the new mechanical colling board refrigerator car, the main performance, structural characteristics and the first operation are introduced.
本文的贡献在于第一次运用视觉文化视角将科学幻想画作为科学传播理论的研究对象。
This paper's contribution is the first time to use visual culture perspective to make science fiction art as a study of science communication theory.
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