embedded system
noun [ C ] computing uk/ɪmˌbed.ɪd ˈsɪs.təm/ us/ɪmˌbed.ɪd ˈsɪs.təm/
（计算机）嵌入式系统
a computer system that does a particular task inside a machine or larger electrical system
Vending machines, turnstiles and meters will come with embedded systems that will communicate with big computers over the web. 自动售货机、检票口和汽车停放计时器都装有嵌入式系统，通过网络跟大型计算机交流。