The term "Lo-fi" or "Low Fidelity" means a non-working model while a "High Fidelity" model is a working model.
术语“低保真”的意思是一个非工作模型，而“高保真”模型是可工作模型。
He installed a wireless fidelity (Wi-Fi) network in the barbershop to offer customers high-speed wireless Internet access.
他在理发店里装设无线上网网络，让顾客享用高速的无线上网服务。
He installed a wireless fidelity (Wi-Fi) network in the barbershop to offer customers high-speed wireless Internet access.
他在理发店里装设无线上网网络，让顾客享用高速的无线上网服务。
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