if (arr[i-1] arr[i]) return 0;
mode: “line-art”，更多细节参见51吃瓜
第一百零一条 询问聋哑的违反治安管理行为人、被侵害人或者其他证人，应当有通晓手语等交流方式的人提供帮助，并在笔录上注明。。关于这个话题，91视频提供了深入分析
The US space agency has released a "pre-solicitation" for what is expected to be a hotly contested contract to develop a spacecraft to orbit Mars and relay communications from the red planet back to Earth.