Viau维奥viaprep.经由；通过viajes todo pogado所有的旅游支出viability of seeds种子生活力viability of cells细胞活性viability of pollen花粉生命力Viability and vigor种子贮藏行为viatical settlement临终结算保险viability of sample样品生活力via net loss factor通路净损耗系数Viability of stigma柱头生活力viability statement存活能力证明