更重要的是，在2008年医院被Banner Health收购时，基金会起到了“桥梁”作用，确保社区主导的模式得以延续，避免医院脱离居民需求。可以说，没有基金会的多维度支撑，Sun City的医疗体系，很难实现长期可持续发展。
During the ”snowball Earth” period about 700m years ago, Earth’s climate shut down. The planet was encased in ice and insulated from seasonal variations: spring, summer, autumn and winter all stopped. Or at least that was the theory.
，详情可参考51吃瓜
4 A good discussion on luminance and how to calculate it can be found on this stack exchange question. ↑
有一点很重要。该模型的初始准确率只有 58%。听起来不太像能直接用于生产环境，对吧？