AdvertisementSKIP ADVERTISEMENTYou have a preview view of this article while we are checking your access. When we have confirmed access, the full article content will load.In recent weeks, Chinese tech companies have unveiled technologies that rival American systems — and they are already in the hands of consumers and software developers.A.I. generated videos created from text prompts using Kling, a video generator made by the Chinese company Kuaishou. Prompt: “The astronaut jumps up from the mo...