hard launch
noun [ C ] business specialized uk/ˌhɑːd ˈlɔːntʃ/ us/ˌhɑːrd ˈlɑːntʃ/
(新产品或服务的)正式发布,硬发布
an occasion when a new product or service is made available to the public, not just a limited number of people, in a way that is intended to attract a lot of attention
Compare: soft launch