demo是什么版式

Demo是什么意思呀？

简明英汉词典---- Demo (pl。 Demos)[美]民主党党员=democrats demo 【复数】 dem。os; 【非正式用语】 A demonstration, as of a product or service。 产品展示如产品或服务的宣传 A brief tape or recording used to illustrate the qualities of a musician or other performer。 示范带用来说明音乐家或其他表演者水平的简要的录音带 A product, such as an automobile, used for d...全部

  简明英汉词典---- Demo (pl。 Demos)[美]民主党党员=democrats demo 【复数】 dem。os; 【非正式用语】 A demonstration, as of a product or service。
   产品展示如产品或服务的宣传 A brief tape or recording used to illustrate the qualities of a musician or other performer。
   示范带用来说明音乐家或其他表演者水平的简要的录音带 A product, such as an automobile, used for demonstration and often sold later at a discount。
   示范样品用于产品宣传并通常在后来折价出售的产品，例如小轿车 。收起