Common symbols:
1)~ ~ "wavy lines (also called curves) are drawn under the incisive and important sentences in the article.
2) "○" circle, marked under the difficult words in the article.
3) The "-"line is marked under the sentences that need to be grasped in the article to deepen memory and understanding.
4) "Delta Delta Delta" triangle symbol, marked under keywords.
5)"?" A question mark, used at the end of a questionable statement.
6)"!" Exclamation marks, used next to sentences that you are in doubt or surprised, can express your feelings.
7) "‖" and "/"are used to divide paragraphs and levels.
Extended data:
Annotation classification includes:
1) Note: When reading unfamiliar or difficult words, look them up in dictionaries and reference books, find out the meaning, point out the source and write them in the blank.
2) Abstract: Think while reading, summarize the central idea in concise language, grasp the context of the article, and prompt the language characteristics.
3) Write comments: When reading, there will be various ideas, opinions and questions, which can be written in the blank.
4) Warning: When reading, you will find beautiful sentences, typical quotations, important paragraphs, novel quotations and places worthy of special attention. To remind yourself, you can use "Attention!" Wait a minute.
Baidu Encyclopedia-Notes