暖冬不意味着每个时段气温都会偏高，而是根据整体时间气温平均值去预判的。此前中国气候中心预测今年是暖冬，但实际情况相差很远，也引发了人们的疑惑。针对这个问题国家气候中心也给出了解释：“暖冬不是说每个阶段
Is there a compact way with ActiveRecord to query for what id it\'s going to use next if an object was going to be p开发者_如何学Pythonersisted to the database? In SQL, a query like this would look so
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