What do you mean by mutual expansion?

Question 1: What do you mean by talking to each other? Mutual k-talk is the mutual diffusion (forwarding) of personal conversations, so as to achieve the purpose of propaganda and dissemination of news.

Supplement:

Say it is the communication channel of Tencent Q Q space platform, where Q Q users can "like", "comment", "forward" and "collect".

Question 2: What do you mean by "Zantan Kou 1 Message Kou 2, Mutual Expansion Kou 3"? I just want him to praise your talk for you. You can comment on his talk and call 1. I want him to leave a message under your words, just press 2 under his words, and that's what the third one means.

Question 3: What do some people in Tencent Weibo mean by mutual expansion? Help! It means forwarding the other party's Weibo.

Question 4: What do you mean by mutual expansion and mutual support? I'm talking about mutual expansion in a group. As you can see, I provide it, and I extend it to the top.

Question 5: What is mutual diffusion? The diffusion of concentration change is related to concentration gradient, which is called mutual diffusion.

Question 6: What is the concept of mutual diffusion? The mass diffusion flux of component A is equal to that of component B, but in the opposite direction. This diffusion is called interdiffusion.

Question 7: What does it mean to talk about quality mutual K in qq? It means forwarding, and mutual K means mutual diffusion.

Extended abbreviation of K.