名词 vi:

1. the cardinal number that is the sum of five and one

2. more than 130 southeastern Virgin Islands; a dependent territory of the United States

visan.签证vt.办理签证virusn.病毒；病原体Visi维希Vispn.菲斯普(在瑞士；东经 7º53' 北纬 46º18')Viso比索Visk维斯克visen.虎头钳vt.用虎头钳夹紧Vist维斯特Vish维什ViSCn.科学计算技术可视化Visvi维斯维Visky维斯基

1. It's the analysis on the effect of pipeline to the response of vis of marine generating set.
   这是管系对船舶发电机组隔振系统响应的影响分析。

1. Their structures have been characterized by UV Vis, IR, 1HNMR and MS spectra.
   它们的结构分别用紫外可见光谱、核磁共振谱、红外光谱和质谱进行了表征。