Topic dictionary explanation: the main problem to be studied or discussed or the major problem to be solved urgently: scientific research topic.
Key words:
Mainly:
Grasp the key of things.
(2) refers to the most important and decisive thing.
Important:
(1) refers to the object is big and heavy.
② Big and important.
(3) refers to the high and important office.
(4) refers to the dignified poetic style and broad weather.
Quote explanation:?
The fifteenth time in Wonderland Witnessed in Twenty Years: "The title of Shanghai Gezhi Academy was written by Fang Bo here the winter before last. After the papers were sent together, Fang Bo sent them to me, and I regarded his papers as the second best. "
Xiao Gan's bait, forum and position: "The more nerve-racking topic is: how to make the publication neither rigid nor weighty."