User:Zhenlige/RTT notes: Difference between revisions

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-'''注意：本页面为公开的个人笔记，内容可能存在中英夹杂、前后联系不清晰等现象。'''
+{{Foreign language|Simplified Chinese}}
-'''Note: This page contains public personal notes, and may show phenomenons like mixing Chinese and English or fuzzy connections between contents.'''
 <math>\vec{a}</math>：向量vector <math>\overleftarrow{a}</math>：covector