随着投影机技术的更新换代,投影机的发展呈现出了多样化的趋势,商用机型、教育机型、超便携机型、家用机型开始同台竞技。国内投影机市场也成为了厂商竞争的焦点。面对多样的机型,该如何选择?面对众多的厂商,又该如何审视? With the upgrading of projector technology, the development of the projector has shown a diversified trend. Commercial models, educational models, ultra-portable models and home models are beginning to compete on the same stage. Domestic projector market has also become the focus of competition manufacturers. Faced with a variety of models, how to choose? Facing a large number of manufacturers, how should we examine?