Can RNA Technology Tells the Origin of the Coronavirus?

Can RNA Technology Tells the Origin of the Coronavirus? Part 1

Some Scientists made attempts to analyse the genome sequences of the coronaviruses supplied by the laboratories all the World.  They produced a comprehensive chart to monitor whereabout are these viruses from.  They claimed it has the ability to tell who is the parent and who is the child of the viruses.

Here is the 2nd Part

RNA技术能否说明冠状病毒的起源？ 第1部分

一些科学家试图分析全世界实验室提供的冠状病毒的基因组序列。 他们制作了一张全面的图表来监视这些病毒的来源。 他们声称它具有分辨出谁是病毒的父母，谁是病毒的孩子.

这是第二部分