First Comers 先行者
Comers detecting is the first step for recognizing marker and calculating camera pose.
标记的角点检测是标记识别以及摄像头姿态计算的首要步骤。
Time is limited, first comers first get till all gives out!
时间有限，先到先得，送完即止！
He proposed whose "teaches all comers without discrimination" viewpoint, and first time proposed in the world teaches students in accordance with their aptitude education idea.
提出了“有教无类”的观点。并在世界上第一次提出了因材施教的教育观念。
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