The second surgery was completely different for Ling ran.
In fact, even if it was an ordinary doctor who performed one surgery with brand-new equipment, they would have more experience and proficiency when they performed another surgery. Correspondingly, the smoothness of the surgery would also increase. In order to promote robots, Intuitive Surgical company only required ordinary doctors to perform two surgeries. Although it was far from reaching the level of proficiency, it could still be considered as meeting the minimum requirements.
If it was a diligent doctor, he or she could practice quite well after performing a few surgeries using robots to simulate surgeries and other models.
As for Ling ran, the ten times proficiency that the system gave him was very useful at times like this.