That is exactly why a more sensible preservation strategy would be to assist the farmers to modernize their farms to the extent needed to maintain viability.
这就是为什么更明智的保护策略应该是帮助农民实现农场现代化,以维持其生存能力。
The continued viability of the kiva itself in Spanish mission settlements has also been underestimated by historians.
基瓦本身在西班牙传教定居点的持续生命力也被历史学家们低估了。
The pollen viability of Miscanthus sinensis was determined by in vitro pollen germination method.