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方形 qi kan zhong you shang jiao fang xing kuang yi ban shi
左上角 qi kan zuo shang jiao de d o l shi shi me yi si
英文 ying wen qi kan you shang jiao shi shi me yi si
中国 发电 电业 zhong guo dian ye qi kan you shang jiao you fa dian
斜体 正体 科技下角 ke ji qi kan xia jiao biao shi zheng ti huan shi xie ti
参考文献 打角标 lun wen can kao wen xian shi qi kan ru he da jiao biao
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