During the Chávez presidency, Venezuela reclassified its reserves. Previously, there were thought to be just 80 billion barrels of extractable oil, but by 2011, its reported figure had nearly quadrupled. That statistical change was made possible by high oil prices at the time, which allowed previously unviable projects to look feasible.
"The big thing will be seeing friends and family and the people who they were expecting to spend Christmas with," said Helen Sharman, Britain's first astronaut.
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1. 什么是激活函数，为什么需要激活函数
Seclookup (8 days)，详情可参考旺商聊官方下载
定存什么：要下标/距离就栈里存索引，只要值就存值或存索引再 nums[i] 取。，详情可参考夫子
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