In the beginning, Jia was unable to understand the meaning of those laws. But when he was about to end his incantation something mysterious happened. Jia's body began to levitate in air. Her mind was getting filled with the three laws of nature.
Earlier she wasn't aware of their profoundness but now she was able to understand the hidden meaning behind them. As per her understanding, everyone who lives in nature follows the laws of nature.
When someone breakthrough for the first time he/she can get rid of the three laws of nature for a small amount of time. And this can be done by understanding the profoundness of the text that Xin was reading to her.
Bit by bit she was understanding everything about the nature. Not only nature she was also understanding the properties of the magiculus particles residing inside her.