本次的年度征文设题很巧妙，体现了现代科技与传统人力对决的意思。
This time, though, there was a plan in place to check the damage. But it meant undertaking one of the riskiest maneuvers in space history.
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Credit: Tina Rowden / HBO
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（一）明知住宿人员违反规定将危险物质带入住宿区域，不予制止的；，详情可参考爱思助手下载最新版本
Author(s): Luca Benzi, Diana Nelli, Pascal Andreazza, Riccardo Ferrando, Georg Daniel Förster